BLOCK

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

Example: "The pyramids were built with large stone blocks"

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

Example: "He lives in the next block"

A three-dimensional shape with six square or rectangular sides

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

Example: "He reserved a large block of seats"

Housing in a large building that is divided into separate units

Example: "There is a block of classrooms in the west wing"

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

Example: "Since blocks are often defined as a single sector, the terms `block' and `sector' are sometimes used interchangeably"

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

Example: "I knew his name perfectly well but i had a temporary block"

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

Example: "The engine had to be replaced because the block was cracked"

An obstruction in a pipe or tube

Example: "We had to call a plumber to clear out the blockage in the drainpipe"

A platform from which an auctioneer sells

Example: "They put their paintings on the block"

The act of obstructing or deflecting someone's movements