zooid(redirected from zooidal)
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1. any independent animal body, such as an individual of a coelenterate colony
2. a motile cell or body, such as a gamete, produced by an organism
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
A more or less independent individual of colonial animals such as bryozoans and coral.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.