Platyhelminthes: Meaning and Definition of

Plat•y•hel•min•thes

Pronunciation: (plat"ē-hel-min'thēz), [key]
— n.
  1. a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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