(~s)
1.
Bricks are rectangular blocks of baked clay used for building walls, which are usually red or brown. Brick is the material made up of these blocks.
She built bookshelves out of ~s and planks.
...a tiny garden surrounded by high ~ walls.
N-VAR
2.
If you are banging your head against a ~ wall, what you are saying or doing is not having any effect although you keep saying or doing it. (INFORMAL)
I wanted to sort out this problem with him, but it was like banging my head against a ~ wall.
PHRASE: V inflects, usu cont
3.
If you hit a ~ wall or come up against a ~ wall, you are unable to continue or make progress because something stops you. (INFORMAL)
After that my career just seemed to hit a ~ wall...
PHRASE: V inflects
4.
You can use ~s and mortar to refer to houses and other buildings, especially when they are considered as an investment.
As an investment, ~s and mortar are not what they were.
PHRASE
5.
to come down on somebody like a ton of ~s: see ton