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Meaning of hexamerous

hex•am•er•ous

Pronunciation: (hek-sam'ur-us), [key]
— adj.
  1. consisting of or divided into six parts.
  2. having a radially symmetrical arrangement of organs in six groups.
  3. having six members in each whorl.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.