What's the noun for brush? Here's the word you're looking for.
brush
An implement consisting of multiple more or less flexible bristles or other filaments attached to a handle, used for any of various purposes including cleaning, painting, and arranging hair.
A piece of conductive material, usually carbon, serving to maintain electrical contact between the stationary and rotating parts of a machine.
The act of brushing something.
(uncountable) Wild vegetation, generally larger than grass but smaller than trees (Wikipedia).
A short and sometimes occasional encounter or experience.