whisker: Meaning and Definition of

whisk•er

1. a beard.
2. Usually,See
3. a single hair of the beard.
4. a mustache.
5. one of the long, stiff, bristly hairs growing about the mouth of certain animals, as the cat or rat; vibrissa.
6. Also calledany spar for extending the clew or clews of a sail so that it can catch more wind.
7. See
8. a thin filament of a crystal, usually several millimeters long and one to two microns in diameter, having unusually great strength.
9. by the narrowest margin: She won the race by a whisker.