Noun parasitic worm has 1 sense
  1. helminth, parasitic worm - worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes
    --1 is a kind of worm
    --1 is a member of
     Nematoda, phylum Nematoda, Aschelminthes, phylum Aschelminthes; Trematoda, class Trematoda; Cestoda, class Cestoda
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