trionyx

Noun
Synonyms: Trionyxgenus Trionyx

WordNet 3.0

Noun (1)

  1. type genus of the TrionychidaeSynonyms: Trionyxgenus Trionyx
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Webster's Dictionary (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]

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