n.1 (usu. in pl.) the hair growing on a man's face, esp. on the cheek.
2 each of the bristles on the face of a cat etc.
3 colloq. a small distance (within a whisker of; won by a whisker).
4 a strong hairlike crystal of metal etc.
Phrases and idioms:
have (or have grown) whiskers colloq. (esp. of a story etc.) be very old.
Derivatives:
whiskered adj. whiskery adj.
Etymology: WHISK + -ER(1)