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Meaning of eumetazoan

eu•met•a•zo•an

Pronunciation: (y-met"u-zō'un), [key]
— n.
  1. any of a major division, or subkingdom, of multicellular animals with a digestive tract, including all animals except the sponges.
—adj.
  1. of or pertaining to the Eumetazoa.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.