from The Century Dictionary.
- noun A marine tortoise; a sea-turtle.
Sorry, no etymologies found.
This then is the reason why these animals, alone of their kind, have a bladder, the sea-tortoise a large one, the land-tortoises an extremely small one.
You may have often admired the tortoise-shell of which combs are made, with its beautiful wavy lines and markings; it is taken from the outside of the shell of the turtle or sea-tortoise, which is caught not only for the sake of its shell, but because its flesh is so good to eat.
A huge sea-tortoise, disturbed, slid off the sand-bank where he had been sunning himself and paddled sulkily away.
Spaniards, who gave name to this island, called it so from the shape of the land, in some manner resembling a great sea-tortoise, called by them
"Delicious eggs and turtle soup!" he announced when Iris asked him why he was so intently studying certain marks on the sand, caused by the great sea-tortoise during their nocturnal visits to the breeding-ground.