Definition of avicularium in English:


Line breaks: avi¦cu|lar¦ium
Pronunciation: /əˌvɪkjʊˈlɛːrɪəm

noun (plural avicularia /-rɪə/)

(In some bryozoans) any of a number of modified zooids that take the form of a pair of snapping jaws resembling a bird’s head, serving to prevent other organisms from settling on the colony. Compare with vibraculum.
More example sentences
  • Enlarged avicularia on zooids at row bifurcations, on branch margins, and adjacent to ovicells are generally similar to those in M. auriculatum.
  • Adventitious avicularia and cortical zooidal polymorphs are not apparent.
  • Several unusual groups have developed a free living life mode, where the colony is physically supported by specialized modules, avicularia supported.


mid 19th century: modern Latin, from avicula, diminutive of avis 'bird'.

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