Definitions of brush:

• noun:   contact with something dangerous or undesirable

  Example: "I had a brush with danger on my way to work"

• noun:   the act of brushing your hair

  Example: "He gave his hair a quick brush"

• noun:   the act of brushing your teeth

  Example: "The dentist recommended two brushes a day"

• noun:   a minor short-term fight
• noun:   an implement that has hairs or bristles firmly set into a handle
• noun:   conducts current between rotating and stationary parts of a generator or motor
• noun:   momentary contact
• noun:   a dense growth of bushes
• verb:   remove with or as if with a brush

  Example: "Brush away the crumbs"

• verb:   touch lightly and briefly

  Example: "He brushed the wall lightly"

• verb:   rub with a brush, or as if with a brush

  Example: "Johnson brushed the hairs from his jacket"

• verb:   clean with a brush

  Example: "She brushed the suit before hanging it back into the closet"

• verb:   cover by brushing

  Example: "Brush the bread with melted butter"

• verb:   sweep across or over

  Example: "Her long skirt brushed the floor"

• name:  A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #5206)