English definition of “brush”
TOOL [C] › an object made of short, thin pieces of plastic, wire, etc fixed to a handle and used to tidy hair, to clean, to paint, etc: a stiff wire brush
ACTION [no plural] › the action of using a brush: I need to give my hair a quick brush.
the brush of sth › when something touches you lightly: She felt the brush of his lips against her cheek.
a brush with sth › when you experience something, or almost experience something, especially something unpleasant: a brush with death