soft-shelled turtle

Từ điển WordNet v3.1 - WordNet Dictionary

noun

voracious aquatic turtle with a flat flexible shell covered by a leathery skin;
can inflict painful bites
• Syn:
pancake turtle
• Hypernyms:
turtle
• Hyponyms:
spiny softshell, Trionyx spiniferus, smooth softshell, Trionyx muticus
• Member Holonyms:
Trionychidae, family Trionychidae