from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A route regularly used by airplanes; an air lane.
- n. An elevated highway.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An airplane route.
- n. An elevated road.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a designated route followed by airplanes in flying from one airport to another
Sorry, no etymologies found.