An Encylopedia Britannica Company

brick

1 brick /ˈbrɪk/ noun
plural bricks
1 brick
/ˈbrɪk/
noun
plural bricks
Britannica Dictionary definition of BRICK
[count] : a small, hard block of baked clay that is used to build structures (such as houses) and sometimes to make streets, paths, etc.
[noncount] : blocks of baked clay used as building material
often used before another noun
[count]
: a block of something
British : a child's toy block
[count] informal + somewhat old-fashioned : a helpful or dependable person

bricks and mortar

British
: houses and other buildings especially when people consider buying them because of their possible future value
see also brick-and-mortar

drop a brick

see 2drop

like a ton of bricks

informal
: very hard or severely
2 brick /ˈbrɪk/ verb
bricks; bricked; bricking
2 brick
/ˈbrɪk/
verb
bricks; bricked; bricking
Britannica Dictionary definition of BRICK

brick up

[phrasal verb]
brick (something) up or brick up (something)
: to cover or block (something) with bricks