Definition of vibraculum in English:

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Pronunciation: /vʌɪˈbrakjʊləm/

noun (plural vibracula /vʌɪˈbrakjʊlə/)

(In some bryozoans) any of a number of modified zooids that bear a long whip-like seta, serving to prevent other organisms from settling on the colony. Compare with avicularium.
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.





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

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