¹ brush noun

• a tool with many stiff hairs, fibers, etc., that is used for cleaning, smoothing, or painting something
• an act of cleaning or smoothing something with a brush
• a quick, light movement

² brush verb

• to clean or smooth (something) with a brush
• to put (something) on or onto something with a brush
• to remove (something) with a brush or with a quick movement of your hand, fingers, etc.

³ brush noun

• a situation in which you briefly experience or almost experience something bad, dangerous, exciting, etc.—+ with

⁴ brush noun

• wood from small branches on a tree
• small bushes or trees