1. A person who serves as a sailor
   "The old sea dog regaled us with tales of his voyages";
   - mariner, seaman, tar, Jack-tar, Jack [informal], old salt, seafarer, gob [US, informal]

Derived forms: sea dogs

Type of: adult male, bozo [N. Amer, informal], cat [N. Amer, informal], chappie [Brit, informal], geezer [Brit, informal], guy [informal], hombre [N. Amer, informal], man, sailor, sod [informal]

Encyclopedia: Sea dog