northwest_passage
1. [ noun ] (transportation) a water route between the Atlantic and the Pacific Oceans along the northern coast of North America; Europeans since the 16th century had searched for a short route to the Far East before it was successfully traversed by Roald Amundsen (1903-1906)
Related terms: path
Similar spelling:   northwest_wind
  northwest_by_west
  northwest_by_north
  northwestwardly