Italian explorer who led the English expedition in 1497 that discovered the mainland of North America and explored the coast from Nova Scotia to Newfoundland (ca. 1450-1498) | in earlier times, a person who explored by ship |
son of John Cabot who was born in Italy and who led an English expedition in search of the Northwest Passage and a Spanish expedition that explored the La Plata region of Brazil; in 1544 he published a map of the world (1476-1557) | the member of an aircrew who is responsible for the aircraft's course |
| the ship's officer in charge of navigation |