from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. A genus of softshelled turtles, typical of the Trionychidæ: inexactly synonymous with Aspidonectes. It is so called from the three claws in which the webbed feet end. See Trionychidæ.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. type genus of the Trionychidae
Sorry, no etymologies found.