- any of several large turtles of the families Cheloniidae and Dermochelyidae, widely distributed in tropical and subtropical seas, having the limbs modified into paddlelike flippers: all sea turtles are either threatened or endangered through most of their range because of ocean pollution.
Origin of sea turtle
First recorded in 1670–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sea turtle
In the sea-turtle, the union ceases a little above the ends.Buffalo Land
W. E. Webb
The testudo Mydas, or sea-turtle, frequent the bays of Antigua.
But I discovered soon enough that the sea-turtle was not a sea-dove, did I not?Dr. Dumany's Wife
Tortoises or sea-turtle also are abundant, their flesh resembling veal, and there are many persons who think it much better.
Sometimes they are so fortunate as to obtain a sea-turtle; five only were taken during the two years we were there.