Trionyx

2 definitions found

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

  Trionyx \Tri*on"yx\, n. [NL., fr. Gr. ? (see {Tri-}) + ? a
     claw.] (Zool.)
     A genus of fresh-water or river turtles which have the shell
     imperfectly developed and covered with a soft leathery skin.
     They are noted for their agility and rapacity. Called also
     {soft tortoise}, {soft-shell tortoise}, and {mud turtle}.


     [1913 Webster]
  
     Note: The common American species ({Trionyx ferox} syn.
           {Aspidonectus ferox}) becomes over a foot in length and
           is very voracious. Similar species are found in Asia
           and Africa.
           [1913 Webster]

From WordNet (r) 2.0 [wn]:

  Trionyx
       n : type genus of the Trionychidae [syn: {genus Trionyx}]