Noun hirudinea has 1 sense
  1. Hirudinea, class Hirudinea - hermaphroditic aquatic or terrestrial or parasitic annelids
    --1 is a kind of class
    --1 is a member of Annelida, phylum Annelida
    --1 has members:
     leech, bloodsucker, hirudinean; Hirudinidae, family Hirudinidae
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