from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The distance between the tips of the wings, as of a bird or insect, when fully extended.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The distance between the extreme tips of the wings of a bird, insect or aircraft.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. linear distance between the extremities of an airfoil
- n. distance between the tips of the wings (as of a bird or insect) when fully extended
Sorry, no etymologies found.