Bible Dictionaries
Trionyx

Webster's Dictionary

(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.

Bibliography Information
Webster, Noah. Entry for 'Trionyx'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/trionyx.html. 1828.