- a thin, somewhat beardlike growth near the mouth of certain animals, as the barbel of a fish
- a piece of white linen for covering the throat and sometimes the chin, worn by certain nuns
- a sharp point curving or projecting in an opposite direction from the main point of a fishhook, arrow, etc.
- a cutting remark
- one of the hairlike branches on the shaft of a feather
- Bot. a hooked hair or bristle
Origin of barbMiddle English and Old French barbe from Classical Latin barba, beard