Definitionen
1.NounA person who sails; one whose occupation is sailing or navigating ships or other waterborne craft."He's a talented sailor and has spent many years at sea."
2.NounIn particular, a member of the crew of a (civilian or military) vessel, as opposed to a captain, admiral, etc.; a mariner; a common seaman.
3.NounA person who sails sailing boats (as opposed to boats powered by other means) as a sport or recreation.
4.NounAny of various nymphalid butterflies of the genera Neptis, Pseudoneptis and Phaedyma, having white markings on a dark base and commonly flying by gliding.
5.NounA stiff straw hat with a flat, circular brim and a low, flat crown.
6.NounA 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.