/ Dictionary / Index V vibrissa: Meaning and Definition of Find definitions for: vi•bris•sa Pronunciation: (vī-bris'u), [key] — pl. -bris•sae one of the stiff, bristly hairs growing about the mouth of certain animals, as a whisker of a cat. one of the long, slender, bristlelike feathers growing along the side of the mouth in many birds. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: vibrissa (Thesaurus) vibriosis vibro- Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language