to control or limit something, especially something bad
He needs to learn to curb his temper.
a new law designed to curb harmful emissions from factories
something that controls and puts limits on something
curbs on government spending
Many companies have imposed curbs on smoking in the workplace.
We are in favour of strict curbs on government spending.
the edge of the raised path at the side of a road, usually made of long pieces of stone
The bus mounted the curb (= went onto the sidewalk) and hit a tree.