See Also:

sea dog (iou)



sea dog noun phr. M16.
[from SEA + DOG noun.]
I.
Heraldry. A doglike animal with fins and scales. M16.
The common seal, Phoca vitulina. Now rare. L16.
A dogfish or small shark. obsolete exc. Scot. E17.
II.
A privateer or pirate, esp. of the time of Queen Elizabeth I. L16.
An old or experienced sailor. E19.
III.
A luminous appearance near the horizon, regarded by sailors as a prognostic of bad weather. E19.