Definition: [noun] A person who navigates, especially an officer with that responsibility on a ship or an aircrew member with that responsibility on an aircraft.
Definition: [noun] A sea explorer.
Definition: [noun] A device that navigates an aircraft, automobile or missile.
Definition: [noun] A user interface that allows navigating through a structure of any kind.
Definition: [noun] A labourer on an engineering project such as a canal; a navvy.