A hardened rectangular block of mud, clay etc., used for building.

“This wall is made of bricks.”

Such hardened mud, clay, etc. considered collectively, as a building material.

“This house is made of brick.”

Something shaped like a brick.

“a plastic explosive brick”

To build with bricks.

To make into bricks.

To hit someone or something with a brick.

(of weather) Extremely cold.