1. The ship's officer in charge of navigation
   "The navigator plotted our course through the treacherous waters";
   - sailing master
    
2. The member of an aircrew who is responsible for the aircraft's course
   "The navigator plotted a new route to avoid the storm"
    
3. In earlier times, a person who explored by ship
   "The navigator charted unknown waters in search of new trade routes"

Derived forms: navigators

Type of: adventurer, aircrew member, explorer, officer, ship's officer

Encyclopedia: Navigator