What does "sailor" mean?

Sailor: One who follows the business of navigating ships or other vessels; one who understands the practical management of ships; one of the crew of a vessel; a mariner; a common seaman. Sailor's choice. (Zoöl.) (a) An excellent marine food fish (Diplodus, or Lagodon, rhomboides) of the Southern United States; -- called also porgy, squirrel fish, yellowtail, and salt-water bream. (b) A species of grunt (Orthopristis, or Pomadasys, chrysopterus), an excellent food fish, common on the southern coasts of the United States; -- called also hogfish, and pigfish.