from The American Heritage® Dictionary of the English Language, 4th Edition
- 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. Nordenskjöld in 1878 to 1880.
from the GNU version of the Collaborative International Dictionary of English
- adj. a passage or communication by sea between the Atlantic and Pacific oceans along the north coast of Asia.
Sorry, no etymologies found.