What part of speech is the word brush?

The word "brush" can be several parts of speech depending on its context:

* Noun: A tool with bristles used for cleaning, painting, or smoothing.

* Example: "She used a brush to paint the wall."

* Verb: To clean, smooth, or paint with a brush.

* Example: "He brushed his teeth."

* Verb: To touch or graze lightly.

* Example: "The cat brushed against my leg."

So, you need to look at the sentence to determine which part of speech it is.