1. (n.) Any one of the legendary Greek heroes who sailed with Jason, in the Argo, in quest of the Golden Fleece.

2. (n.) A cephalopod of the genus Argonauta.

AB Ancient Mariner Argonaut Dylan Flying Dutchman Naval Reservist Neptune OD Poseidon Royal Marine Seabee Varuna able seaman able-bodied seaman boot buccaneer cadet deep-sea man fair-weather sailor fisherman frogman gob hearty horse marine jack jack afloat jack-tar jacky jolly limey lobsterman marine mariner matelot midshipman midshipmite naval cadet navigator navy man pirate privateer sailor salt sea dog sea rover seafarer seafaring man seaman shipman swabbie tar viking water dog whaler windjammer windsailor