zoa

[zoh-uh]

zoon

[zoh-on]
noun, plural zo·a [zoh-uh] /ˈzoʊ ə/. Biology Rare.
  1. any of the individuals of a compound organism.
  2. any individual, or the individuals collectively, produced from a single egg.
  3. zooid.

Origin of zoon

1860–65; < New Latin zōon < Greek zôion animal
Related formszo·on·al [zoh-uh-nl] /ˈzoʊ ə nl/, adjective

-zoa

  1. a combining form meaning “animals,” “organisms” of the kind specified by the initial element, used in the names of classes in zoology: Protozoa.

Origin of -zoa

< New Latin < Greek zôia, plural of zôion animal; see zoon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for zoa

zoa

noun
  1. the plural of zoon

-zoa

suffix forming plural proper nouns
  1. indicating groups of animal organismsMetazoa

Word Origin for -zoa

from New Latin, from Greek zōia, plural of zōion animal, living being

zoon

noun plural zoa (ˈzəʊə) or zoons
  1. a less common term for zooid (def. 1)
Derived Formszoonal, adjective

Word Origin for zoon

C19: from New Latin, from Greek zōion animal; related to Greek zōē life
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for zoa
n.

plural of zoon.

zoon

n.

1864, from Greek zoion "animal" (see zoo).

Online Etymology Dictionary, © 2010 Douglas Harper