
1) Barking sailor 2) Grizzled gob 3) Jack-tar 4) Longtime mariner 5) Mariner 6) Old hand at sailing 7) Old salt 8) Pirate 9) Sailor 10) Salt 11) Salty guy 12) Seasoned mariner 13) Seasoned sailor 14) Skilled mariner 15) Skilled sailor 16) Veteran sailor
Found on
https://www.crosswordclues.com/clue/seadog

1) Marine
Found on
https://www.crosswordclues.com/clue/seadog

HMS Seadog was a British Sealion Class submarine of 715 tons displacement launched during the early 1940's. She was armed with one 3-inch gun; one 20 mm anti-aircraft gun; three machine-guns; six 21-inch torpedo tubes in the bow and one external 21 inch torpedo tube. She had a top speed of 14.5 knots surfaced and 10 knots submerged, could crash div...
Found on
http://www.probertencyclopaedia.com/browse/RS.HTM

A veteran sailor or old pirate
Found on
https://www.piratevoyages.com/pirate-lingo/
No exact match found.