block
1 Americannoun
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a solid mass of wood, stone, etc., usually with one or more flat or approximately flat faces.
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a hollow masonry building unit of cement, terracotta, etc..
a wall made of concrete blocks.
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one of a set of cube-shaped pieces of wood, plastic, or the like, used as a child's toy in building.
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a mold or piece on which something is shaped or kept in shape.
a hat block.
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a piece of wood used in the art of making woodcuts or wood engravings.
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Printing. the base on which a plate is mounted to make it type-high.
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a projection left on a squared stone to provide a means of lifting it.
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a short length of plank serving as a bridging, as between joists.
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a stump or wooden structure on which a condemned person is beheaded.
Mary Stuart went bravely to the block.
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Machinery. a part enclosing one or more freely rotating, grooved pulleys, about which ropes or chains pass to form a hoisting or hauling tackle.
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an obstacle, obstruction, or hindrance.
His stubbornness is a block to all my efforts.
- Synonyms:
- jam , stoppage , barrier , blockade , impediment
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the state or condition of being obstructed; blockage.
The traffic block lasted several hours.
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Pathology.
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an obstruction, as of a nerve.
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Sports. a hindering of an opponent's actions.
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a quantity, portion, or section taken as a unit or dealt with at one time.
a large block of theater tickets.
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a small section of a city, town, etc., enclosed by neighboring and intersecting streets.
She lives on my block.
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the length of one side of such a section.
We walked two blocks over.
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Chiefly British. a large building divided into separate apartments, offices, shops, etc.
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a large number of bonds or shares of stock sold together as a single unit.
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Computers.
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a group of data stored as a unit on an external storage medium and handled as a unit by the computer for input or output.
This file has 20 records per block.
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a section of storage locations in a computer allocated to a particular set of instructions or data.
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a group of consecutive machine words organized as a unit and guiding a particular computer operation, especially with reference to input and output.
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(on a flow chart) a symbol representing an operation, device, or instruction in a computer program.
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Railroads. any of the short lengths into which a track is divided for signaling purposes.
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Philately. a group of four or more unseparated stamps, not in a strip.
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Slang. a person's head.
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Glassmaking. a wooden or metal cup for blocking a gather.
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an obstruction or stoppage in mental processes or speech, especially when related to stress, emotional conflict, etc.
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Geology.
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any large, angular mass of solid rock.
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(in Canada) a wild or remote area of land that has not yet been surveyed.
the Peace River block.
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Automotive. cylinder block.
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Falconry. a low perch to which a falcon is tethered outdoors.
verb (used with object)
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to obstruct (someone or something) by placing obstacles in the way (sometimes followed byup ).
to block one's exit;
to block up a passage.
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to fit with blocks; mount on a block.
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to shape or prepare on or with a block.
to block a hat;
to block a sweater.
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to join (the ends of boards or the like) by fastening to a block of wood.
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Theater.
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Also block out. to plan or work out the movement of performers in a play, pageant, etc..
Tomorrow we'll block act one.
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to draw a floor plan on (a stage) in order to indicate placement of scenery, stage property, etc.
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Pathology, Physiology. to stop the passage of impulses in (a nerve).
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Computers. to group (contiguous data) together so as to allow to be read or written in a single operation.
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Sports. to hinder or bar the actions or movements of (an opposing player), especially legitimately.
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Glassmaking.
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to shape (a molten gather) in a wet cup of wood or metal.
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to plunge a block of wood into (molten glass) to aid in refining the glass.
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Metalworking. to give (a forging) a rough form before finishing.
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Electronics. to apply a high negative bias to the grid of (a vacuum tube), for reducing the plate current to zero.
verb (used without object)
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to act so as to obstruct an opponent, as in football, hockey, and basketball.
He doesn't get many baskets, but he sure can block.
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Theater. to block a play, act, scene, stage, etc..
The director will block tomorrow.
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to suffer a block.
verb phrase
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block out
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Basketball. to box out.
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block in / out to sketch or outline roughly or generally, without details.
She blocked out a color scheme for the interiors.
idioms
noun
noun
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a large solid piece of wood, stone, or other material with flat rectangular sides, as for use in building
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any large solid piece of wood, stone, etc, usually having at least one face fairly flat
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such a piece on which particular tasks may be done, as chopping, cutting, or beheading
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Also called: building block. one of a set of wooden or plastic cubes as a child's toy
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a form on which things are shaped or displayed
a wig block
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slang a person's head (esp in the phrase knock someone's block off )
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slang to become angry
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a dull, unemotional, or hardhearted person
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a large building of offices, flats, etc
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a group of buildings in a city bounded by intersecting streets on each side
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the area or distance between such intersecting streets
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an area of land for a house, farm, etc
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a log, usually a willow, fastened to a timber base and used in a wood-chopping competition
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an area of land, esp one to be divided for building or settling
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See cylinder block
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a piece of wood, metal, or other material having an engraved, cast, or carved design in relief, used either for printing or for stamping book covers, etc
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a letterpress printing plate, esp one mounted type-high on wood or metal
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a casing housing one or more freely rotating pulleys See also block and tackle
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up for auction
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the act of obstructing or condition of being obstructed, as in sports
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an obstruction or hindrance
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pathol
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interference in the normal physiological functioning of an organ or part
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See heart block
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See nerve block
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psychol a short interruption of perceptual or thought processes
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obstruction of an opponent in a sport
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a section or quantity, as of tickets or shares, handled or considered as a single unit
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( as modifier )
a block booking
block voting
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a stretch of railway in which only one train may travel at a time
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( as modifier )
a block signal
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an unseparated group of four or more postage stamps Compare strip 1
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a pad of paper
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computing a group of words treated as a unit of data on a tape, disk, etc
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athletics short for starting block
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cricket a mark made near the popping crease by a batsman to indicate his position in relation to the wicket
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informal a person who resembles one of his or her parents in behaviour
verb
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to shape or form (something) into a block
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to fit with or mount on a block
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to shape by use of a block
to block a hat
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(often foll by up) to obstruct (a passage, channel, etc) or prevent or impede the motion or flow of (something or someone) by introducing an obstacle
to block the traffic
to block up a pipe
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to impede, retard, or prevent (an action, procedure, etc)
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to stamp (a title, design, etc) on (a book cover, etc) by means of a block (see sense 12), esp using gold leaf or other foil
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(esp of a government or central bank) to limit the use or conversion of assets or currency
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(also intr) sport to obstruct or impede movement by (an opponent)
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(intr) to suffer a psychological block
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to interrupt a physiological function, as by use of an anaesthetic
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(also intr) cricket to play (a ball) defensively
Other Word Forms
- blockable adjective
- blocker noun
- reblock verb (used with object)
- subblock noun
- unblocked adjective
Etymology
Origin of block
First recorded in 1275–1325; Middle English blok “log, stump,” from Middle French bloc, from Middle Dutch blok; perhaps akin to balk
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Police have completed searches in five of the estate's eight high-rise blocks.
From Barron's
He's 38, he's been around the block a long time.
From BBC
Police are now moving to block and shut down that website, and cooperating with foreign agencies to investigate its operator.
From BBC
Officials said the extent of the damage in the worst-affected central region was only just being revealed as relief workers cleared roads blocked by fallen trees and mudslides.
From Barron's
In other words, the coronagraph acts like an artificial Moon, blocking the Sun's bright surface to let scientists continuously observe its faint outer corona -something the real Moon does only during eclipses.
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.