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Meaning of avicularium

a•vic•u•lar•i•um

Pronunciation: (u-vik"yu-lâr'ē-um), [key]
— pl. -lar•i•a
  1. a protective zooid of a bryozoan colony, having movable jaws that can be snapped shut.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.