vibraculum: Meaning and Definition of

vi•brac•u•lum

Pronunciation: (vī-brak'yu-lum), [key]
— pl. -la
  1. 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.