- an obstruction, as of a nerve.
- heart block.
- 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.
- a section of storage locations in a computer allocated to a particular set of instructions or data.
- a group of consecutive machine words organized as a unit and guiding a particular computer operation, especially with reference to input and output.
- (on a flow chart) a symbol representing an operation, device, or instruction in a computer program.
- any large, angular mass of solid rock.
- fault block.
verb (used with object)
- Also block out. to plan or work out the movement of performers in a play, pageant, etc.: Tomorrow we'll block act one.
- to draw a floor plan on (a stage) in order to indicate placement of scenery, stage property, etc.
- to shape (a molten gather) in a wet cup of wood or metal.
- to plunge a block of wood into (molten glass) to aid in refining the glass.
verb (used without object)
- block(def 36a).
- Basketball. to box out.
Origin of block
Examples from the Web for blocks
The F4 twister cut a long swath of destruction that crossed just four blocks from my house.Heed the Warnings: Why We’re on the Brink of Mass Extinction|Sean B. Carroll|November 30, 2014|DAILY BEAST
After seeing this trick with blocks and toys, children saw it performed with a hamster.Why Are Millennials Unfriending Organized Religion?|Vlad Chituc|November 9, 2014|DAILY BEAST
One day, as I sat in our driveway in Long Island playing with blocks and buckets, my curiosity got the best of me.Welcome to Generation Overshare: Lena Dunham, Taylor Swift, and the Politics of Self-Disclosure|Marlow Stern|November 6, 2014|DAILY BEAST
One year later and 10 blocks away, my mother came into the world, the granddaughter of those pioneers who had roamed the prairie.
Three blocks away, people were throwing themselves from upper floors of the World Trade Center.
The soil was rather stiff, and indicated a rocky formation, blocks of granite projecting from it in various directions.Voyage Of H.M.S. Rattlesnake, Vol. 2 (of 2)|John MacGillivray
The city was laid out in blocks of ten acres, divided into eight lots, of equal size, one and a fourth acres in each.Wilford Woodruff|Matthias F. Cowley
But the houses have been arranged in blocks so as to leave free streets, along which he can travel the more quickly.The Whence and the Whither of Man|John Mason Tyler
I didn't go in for sluggin' their blocks off, just to show 'em I could do it.Shorty McCabe|Sewell Ford
The blocks were two inches square and there were eight each way; in fact, it was a copy of the chessboard her father had made.Kristy's Rainy Day Picnic|Olive Thorne Miller
British Dictionary definitions for blocks
- a group of buildings in a city bounded by intersecting streets on each side
- the area or distance between such intersecting streets
- 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
- British a letterpress printing plate, esp one mounted type-high on wood or metal
- a section or quantity, as of tickets or shares, handled or considered as a single unit
- (as modifier)a block booking; block voting
- a stretch of railway in which only one train may travel at a time
- (as modifier)a block signal
verb (mainly tr)
Word Origin for block
Word Origin and History for blocks (1 of 3)
children's wooden building toys, 1821, from block (n.).
Word Origin and History for blocks (1 of 3)
"solid piece," c.1300, from Old French bloc "log, block" of wood (13c.), via Middle Dutch bloc "trunk of a tree" or Old High German bloh, from a common Germanic source, from PIE *bhlugo-, from *bhelg- "a thick plank, beam" (see balk).
Meaning "mould for a hat" is from 1570s. Slang sense of "head" is from 1630s. Extended sense of "obstruction" is first recorded 1640s. In cricket from 1825; in U.S. football from 1912. The meaning in city block is 1796, from the notion of a "compact mass" of buildings; slang meaning "fashionable promenade" is 1869.
BLOCK. A term applied in America to a square mass of houses included between four streets. It is a very useful one. [Bartlett]
Word Origin and History for blocks (2 of 3)
Medicine definitions for blocks
Science definitions for blocks
block and tackle
Idioms and Phrases with blocks
see chip off the old block; knock someone's block off; on the block; stumbling block.