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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 Hirudinea
 蛭綱

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 Hir·u·din·ea /ˌhɪr(j)əˈdɪnɪə/ 名詞 複數
 蛭綱

From: Webster's Revised Unabridged Dictionary (1913)

 An·nel·i·da n. pl.  Zool. A division of the Articulata, having the body formed of numerous rings or annular segments, and without jointed legs. The principal subdivisions are the Chætopoda, including the Oligochæta or earthworms and Polychæta or marine worms; and the Hirudinea or leeches. See Chætopoda.
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From: Webster's Revised Unabridged Dictionary (1913)

 Hir·u·din·e·a n. pl.  Zool. An order of Annelida, including the leeches; -- called also Hirudinei.
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From: WordNet (r) 2.0

 Hirudinea
      n : hermaphroditic aquatic or terrestrial or parasitic annelids
          [syn: class Hirudinea]