Definition of vibraculum in English:

vibraculum

Syllabification: vi·brac·u·lum
Pronunciation: /vīˈbrakyələm
 
/

noun (plural vibracula /-lə/)

Zoology
(In some bryozoans) any of a number of modified zooids that bear a long whiplike seta, serving to prevent other organisms from settling on the colony. Compare with avicularium.
More example sentences
  • In Ectoprocta there are similar specialized zooids, avacularia, vibracula, and gonozooids.
  • They may be polymorphic with ovicells, vibracula, kenozooids, and/or avicularia in addition to autozooids.
  • Other zooids include the avicularia, where the operculum has been modified into a jaw, and the vibracula where the operculum has been modified into a bristle.

Origin

mid 19th century: modern Latin, from Latin vibrare (see vibrate).

Derivatives

vibracular

adjective

Definition of vibraculum in:

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