1.
[syn: sea turtle, marine turtle]
The Collaborative International Dictionary of English v.0.48:
Sea turtle \Sea" tur"tle\ (Zool.)
(a) Any one of several very large species of chelonians
having the feet converted into paddles, as the green
turtle, hawkbill, loggerhead, and leatherback. They
inhabit all warm seas.
(b) The sea pigeon, or guillemot.
[1913 Webster]
WordNet (r) 3.0 (2006):
sea turtle
n 1: any of various large turtles with limbs modified into
flippers; widely distributed in warm seas [syn: sea
turtle, marine turtle]