/ Dictionary / Index V vibraculum: Meaning and Definition of Find definitions for: vi•brac•u•lum Pronunciation: (vī-brak'yu-lum), [key] — pl. -la any of the modified polyps on the surface of certain bryozoan colonies, having a long, whiplike appendage that clears away debris. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Viborg vibraharp 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