• synonyms


[zoh-air-ee-uh m]
noun, plural zo·ar·i·a, zo·ar·i·ums. Biology.
  1. a collection of distinct, individual zooids that make up a compound or colonial organism.
  2. the supporting structure for a polyp colony; polyzoarium.
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Related formszo·ar·i·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for zoaria

Historical Examples of zoaria

  • Some of these last are penetrated by zoaria of Fredericella indica.

    Freshwater Sponges, Hydroids & Polyzoa

    Nelson Annandale

  • The colonies originally start from larv produced in the ovicells of the zoaria.

    The Sea-beach at Ebb-tide

    Augusta Foote Arnold

  • In the ponds at Port Canning the zoaria grow side by side with, and even entangled with those of Bowerbankia caudata subsp.

  • Although the zoaria do not form compound colonies by secreting a common membrane or investment, they are markedly gregarious.

  • The zoaria are circular or nearly so except when about to undergo division, in which case they are constricted in the middle.