from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A wind blowing directly against the course of an aircraft or ship.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A wind that blows directly against the course of an aircraft or ship.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. wind blowing opposite to the path of a ship or aircraft
From head + wind. (Wiktionary)