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Meaning of flatworm

flat•worm

Pronunciation: (flat'wûrm"), [key]
— n.
  1. any worm of the phylum Platyhelminthes, having bilateral symmetry and a soft, solid, usually flattened body, including the planarians, tapeworms, and trematodes; platyhelminth.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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