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planarian

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noun pla·nar·i·an \-ē-ən\

Definition of planarian

  1. :  triclad; especially :  any of various dark-colored freshwater triclad flatworms (family Planariidae) with two eyespots and a triangular head



Origin of planarian

New Latin Planaria


First Known Use: circa 1858


Medical Dictionary

planarian

play
noun pla·nar·i·an \-ē-ən\

Medical Definition of planarian

  1. :  any of the family Planariidae or order Tricladida comprising small soft-bodied ciliated mostly aquatic turbellarian worms

  2. planarian adjective




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