What is the meaning of the word "brush"?

Definitions:

contact with something dangerous or undesirable noun
- I had a brush with danger on my way to work
the act of brushing your hair noun
- They gave their hair a quick brush.
the act of brushing your teeth noun
- the dentist recommended two brushes a day
to clean with a brush verb
- I brushed the suit before hanging it back into the closet.
to cover by brushing verb
- I brushed the bread with melted butter.
to remove with or as if with a brush verb
- I brushed the crumbs off the tablecloth.
to rub with a brush, or as if with a brush verb
- They brushed the hairs from their jacket.
to sweep across or over verb
- I brushed the sweat from my brow and got back to work, I had a long day ahead of me.
to touch lightly and briefly verb
- I brushed the wall to see if the paint had dried.