Oligochaeta

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Oligochaeta \Ol`i*go*chae"ta\, Oligochaeta \Ol`i*go*chae"ta\,
     prop. n. pl. [NL., fr. Gr. 'oli`gos little, pl., few + ?
     hair.] (Zool.)
     An order of Annelida which includes the earthworms and
     related species, including some small freshwater species.
     [1913 Webster +PJC]



From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Annelida \An*nel"i*da\, n. pl. [NL. See {Annelid}.] (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 {Ch[ae]topoda}, including
     the {Oligoch[ae]ta} or earthworms and {Polych[ae]ta} or
     marine worms; and the {Hirudinea} or leeches. See
     {Ch[ae]topoda}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  Oligochaeta
       n : earthworms [syn: {class Oligochaeta}]