vibraculum

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vi·brac·u·lum

 (vī-brăk′yə-ləm)
n. pl. vi·brac·u·la (-lə)
One of the long bristlelike zooids of a bryozoan, which move in a whiplike manner.

[New Latin vibrāculum, from Latin vibrāre, to shake; see vibrate.]

vi·brac′u·lar (-lər) adj.

vibraculum

(vaɪˈbrækjʊləm) or

vibracularium

n, pl -la (-lə)
(Zoology) zoology any of the specialized bristle-like polyps in certain bryozoans, the actions of which prevent parasites from settling on the colony
[C19: from New Latin, from Latin vibrāre to brandish]
viˈbracular adj
viˈbracuˌloid adj