Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of hirudinea is as below...

Bdelloidea :: Bdelloidea (n. pl.) The order of Annulata which includes the leeches. See Hirudinea.

Leech :: Leech (n.) Any one of numerous genera and species of annulose worms, belonging to the order Hirudinea, or Bdelloidea, esp. those species used in medicine, as Hirudo medicinalis of Europe, and allied species..

Annelida :: Annelida (n. pl.) A division of the Articulata, having the body formed of numerous rings or annular segments, and without jointed legs. The principal subdivisions are the Chaetopoda, including the Oligochaeta or earthworms and Polychaeta or marine worms; and the Hirudinea or leeches. See Chaetopoda..

Hirudinea :: Hirudinea (n. pl.) An order of Annelida, including the leeches; -- called also Hirudinei..

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