from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A tapered, open-ended sleeve pivotally attached to a standard, that indicates the direction of the wind blowing through it. Also called air sock, wind cone, wind sleeve.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a large, conical, open-ended tube designed to indicate wind direction and relative wind speed; used especially at smaller airfields
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind
Sorry, no etymologies found.