brick

1. A hardened rectangular block of mud, clay etc., used for building. (countable) · This wall is made of bricks.
2. Such hardened mud, clay, etc. considered collectively, as a building material. (uncountable) · This house is made of brick.
3. Something shaped like a brick. (countable) · a plastic explosive brick
4. The colour brick red. (countable, uncountable)
5. A helpful and reliable person. (countable, dated, slang, uncountable) · Thanks for helping me wash the car. You’re a brick.
6. A shot which misses, particularly one which bounces directly out of the basket because of a too-flat trajectory, as if the ball were a heavier object. (countable, slang, uncountable) · See also: put up a brick· We can't win if we keep throwing up bricks from three-point land.
7. A power brick; an external power supply consisting of a small box with an integral male plug and an attached cord terminating in another plug. (countable, informal, uncountable)
8. An electronic device, especially a heavy box-shaped one, that has become non-functional or obsolete. (countable, figuratively, slang, uncountable)

Plural bricks