English▸ noun a person whose job it is to work as a member of the crew of a commercial or naval ship or boat, especially one who is below the rank of officer:
Hawaii was an important stopping point for sailors to restock provisions.
▪ [usually with adjective or noun modifier] a person who goes sailing as a sport or recreation:
she was a keen sailor.
▪ (a good/bad sailor) a person who rarely (or often) becomes sick at sea in rough weather.
– ORIGIN mid 17th century : variant of obsolete sailer.