Definition of "sailor"

sailor

/ˈseɪ.lɚ/

noun
plural sailors
1. A person in the business of navigating ships or other vessels
2. Someone knowledgeable in the practical management of ships.
3. A member of the crew of a vessel; a mariner; a common seaman.
  Quotations
  Merchants, common sailors, captains of vessels, skippers, […] naval officers of all countries, and the Governments of several states on the two continents, were deeply interested in the matter.
  1873, Jules Verne, chapter I, in [anonymous], transl., Twenty Thousand Leagues under the Seas; […], James R. Osgood edition, Boston, Mass.: Geo[rge] M[urray] Smith & Co., part I, page 3
  Mary is a sailordreaming of northern shoreslost galleons on the seaMary ever on her way
  2008, Cécile Corbel (lyrics and music), “Mary”, in Songbook vol. 2‎ (CD), performed by Cécile Corbel, Brittany: Keltia Musique
4. A person who sails sailing boats as a sport or recreation.
5. Any of various nymphalid butterflies of the genera Neptis, Pseudoneptis and Phaedyma, having white markings on a dark base and commonly flying by gliding.