from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A unit of distance in air travel, equal to one international nautical mile (6,076.115 feet).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A unit of distance for air transport; equal to a nautical mile.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude
Sorry, no etymologies found.