paragnathus

1 definition found

paragnathus - Collaborative International Dictionary of English v.0.48 :

  Paragnathus \Pa*rag"na*thus\ (p[.a]*r[a^]g"n[.a]*th[u^]s), n.;
     pl. Paragnathi (p[.a]*r[a^]g"n[.a]*th[imac]). [NL. See
     Para-, and Gnathic.] (Zool.)
     (a) One of the two lobes which form the lower lip, or
         metastome, of Crustacea.
     (b) One of the small, horny, toothlike jaws of certain
         annelids.
         [1913 Webster]