block

An obstruction in a pipe or tube.

“we had to call a plumber to clear out the blockage in the drainpipe”

A simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope.

A metal casting containing the cylinders and cooling ducts of an engine.

“the engine had to be replaced because the block was cracked”

A rectangular area in a city surrounded by streets and usually containing several buildings.

“he lives in the next block”

A number or quantity of related things dealt with as a unit.

“he reserved a large block of seats”

“he held a large block of the company's stock”

The act of obstructing or deflecting someone's movements.

A solid piece of something (usually having flat rectangular sides).

“the pyramids were built with large stone blocks”

(computer science) a sector or group of sectors that function as the smallest data unit permitted.

“since blocks are often defined as a single sector, the terms `block' and `sector' are sometimes used interchangeably”

Housing in a large building that is divided into separate units.

“there is a block of classrooms in the west wing”

A platform from which an auctioneer sells.

“they put their paintings on the block”

A three-dimensional shape with six square or rectangular sides.

An inability to remember or think of something you normally can do; often caused by emotional tension.

“I knew his name perfectly well but I had a temporary block”

Render unsuitable for passage.

“block the way”

Shut out from view or get in the way so as to hide from sight.

“The thick curtain blocked the action on the stage”

Interfere with or prevent the reception of signals.

“block the signals emitted by this station”

Obstruct.

“Her arteries are blocked”

Impede the movement of (an opponent or a ball).

“block an attack”

Hinder or prevent the progress or accomplishment of.

“His brother blocked him at every turn”

Interrupt the normal function of by means of anesthesia.

“block a nerve”

“block a muscle”

Run on a block system.

“block trains”

Shape by using a block.

“block a garment”

Shape into a block or blocks.

“block the graphs so one can see the results clearly”

Stamp or emboss a title or design on a book with a block.

“block the book cover”

Support, secure, or raise with a block.

“block a plate for printing”

“block the wheels of a car”

Prohibit the conversion or use of (assets).

Stop from happening or developing.

Be unable to remember.

“You are blocking the name of your first wife!”

Block passage through.