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vibraculum

[vahy-brak-yuh-luh m]
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noun, plural vi·brac·u·la [vahy-brak-yuh-luh] /vaɪˈbræk yə lə/.
  1. any of the modified polyps on the surface of certain bryozoan colonies, having a long, whiplike appendage that clears away debris.
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Origin of vibraculum

1850–55; < New Latin, equivalent to Latin vibrā(re) to shake + -culum -cule2
Related formsvi·brac·u·lar, adjectivevi·brac·u·loid, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for vibraculum

vibraculum

noun plural -la (-lə)
  1. zoology any of the specialized bristle-like polyps in certain bryozoans, the actions of which prevent parasites from settling on the colony
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Derived Formsvibracular, adjectivevibraculoid, adjective

Word Origin

C19: from New Latin, from Latin vibrāre to brandish
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012