n. 啮龟；麝香鳖

[ noun ]
large aggressive freshwater turtle with powerful jaws
<noun.animal>

Snapping \Snap"ping\,
a. & n. from {Snap}, v.

{Snapping beetle}. (Zo["o]l.) See {Snap beetle}, under
{Snap}.

{Snapping turtle}. (Zo["o]l.)
(a) A large and voracious aquatic turtle ({Chelydra
serpentina}) common in the fresh waters of the United
States; -- so called from its habit of seizing its prey
by a snap of its jaws. Called also {mud turtle}.
(b) See {Alligator snapper}, under {Alligator}.