'Navigator' definitions:

Definition of 'navigator'

From: WordNet
noun
The ship's officer in charge of navigation [syn: sailing master, navigator]
noun
The member of an aircrew who is responsible for the aircraft's course
noun
In earlier times, a person who explored by ship

Definition of 'Navigator'

From: GCIDE
  • Navigator \Nav"i*ga`tor\, n. One who navigates or sails; esp., one who direct the course of a ship, or one who is skillful in the art of navigation; also, a book which teaches the art of navigation; as, Bowditch's Navigator. [1913 Webster]

Synonyms of 'navigator'

From: Moby Thesaurus