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Meaning of redia

re•di•a

Pronunciation: (rē'dē-u), [key]
— pl. -di•ae
  1. a cylindrical larval stage of some trematodes, produced by a sporocyst and giving rise to daughter rediae or to cercariae.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.