What is the meaning of Sailor?

A person who sails; one whose occupation is sailing or navigating ships or other waterborne craft.

In particular, a member of the crew of a (civilian or military) vessel, as opposed to a captain, admiral, etc.; a mariner; a common seaman.

A person who sails sailing boats (as opposed to boats powered by other means) as a sport or recreation.

Any of various nymphalid butterflies of the genera Neptis, Pseudoneptis and Phaedyma, having white markings on a dark base and commonly flying by gliding.

A stiff straw hat with a flat, circular brim and a low, flat crown.

A brick, for example in a course of brickwork, that is laid vertically on its shortest end (smallest face), with its widest face facing the outside of the wall.

a sailor (especially from an English speaking country)

Source: wiktionary.org