mud turtle

WordReference Random House Unabridged Dictionary of American English © 2025

mud′ tur′tle, 

1. Reptiles any of several small, freshwater turtles of the family Kinosternidae, of North and South America, as the dark-brown Kinosternon subrubrum, of the U.S.

• 1775–85, American.

Collins Concise English Dictionary © HarperCollins Publishers::

mud turtle noun

1. any of various small turtles of the genus Kinosternon and related genera that inhabit muddy rivers in North and Central America: family Kinosternidae