noun
1.
a.
(1) : harbor seal
(2) : cape seal
(3) : a small sea lion ( Zalophus californianus ) of the California coast
b. : a heraldic representation of a seal with a beaver tail, long back fin, webbed feet, and scaly legs and body
2. : dogfish
3.
a. : an experienced sailor : one long at sea
b. : privateer , pirate