REDIA
- a parasitic larva of flukes that has simple locomotory organs, pharynx, and intestine and gives rise either to other rediae or to a different larva (the cercaria)
- the larva of certain flatworms [n REDIAE, REDIAS] : REDIAL [adj], REDIAL [adj]
- the larva or certain flatworms [n REDIAS or REDIAE]