- 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
Related formsblock·a·ble, adjectivere·block, verb (used with object)sub·block, nounun·blocked, adjective
Can be confusedbloc block
Definition for block (2 of 2)
Examples from the Web for block
Church bells pealed from St. Catherine of Siena parish one block away.
During his trek, Brinsley twice passed within a block of a police stationhouse and he almost certainly saw cops along the way.
Block 3F is slated for release in 2019, but who knows how much that will slip?New U.S. Stealth Jet Can’t Fire Its Gun Until 2019|Dave Majumdar|December 31, 2014|DAILY BEAST
After walking block after block holding that container, he had suddenly discarded it and was now clutching a gun.
If someone wants to ensure a direct and secure connection, no entity, whether a hotel or otherwise, should be able to block it.How ‘Ethical’ Hotel Chain Marriott Gouges Guests in the Name of Wi-Fi Security|Kyle Chayka|December 31, 2014|DAILY BEAST
The race course was round a block; that is, about three quarters of a mile.Stories of American Life and Adventure|Edward Eggleston
Then it is laid with the part of the pipe that is to be cut resting on a block of wood.Elements of Plumbing|Samuel Dibble
A quartermaster, summoned from the forecastle, hoisted a block and tackle to a derrick.His Unknown Wife|Louis Tracy
The holding-rope passes through that block, and there's a knife-blade in the block over the rope.Careers of Danger and Daring|Cleveland Moffett
Two of its ducal owners passed from it to the block on Tower Hill.
British Dictionary definitions for block
- 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)
Derived Formsblocker, noun
Word Origin for block
Medicine definitions for block
Related formsblock′age (blŏk′ĭj) n.
Science definitions for block
block and tackle
Idioms and Phrases with block
see chip off the old block; knock someone's block off; on the block; stumbling block.