Definitions:

1. An old, informal term for a sailor, particularly one who worked on ships in the British Navy or merchant fleets. NOUN
   • The seasoned Jacktar shared stories of his adventures across the high seas.
2. Term used affectionately and respectfully to refer to sailors, especially those who had spent long periods at sea, that emphasizes their hardiness, resilience, and maritime skills. NOUN
   • Life as a Jacktar was hard, but it was filled with camaraderie and adventure.

Synonyms:

• gob
• jack-tar
• sailor
• sea dog
• seaman
• waterdog