Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
water route from the Atlantic to the Pacific through the seas north of Europe & Asia
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A water route along the northern coast of Europe and Asia between the Atlantic and Pacific oceans. A goal of navigators since the 15th century, it was first traversed by the Swedish explorer Nils A.E. Nordenskjld in 1878 to 1880.