from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A wind blowing at right angles to a given direction, as to an aircraft's line of flight.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A wind blowing perpendicular to a line of travel
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. wind blowing across the path of a ship or aircraft
cross + wind (Wiktionary)