This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

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.

n. a large, conical, open-ended tube designed to indicate wind direction and relative wind speed; used especially at smaller airfields

n. a truncated cloth cone mounted on a mast; used (e.g., at airports) to show the direction of the wind

"In the interview Spinrad described it as a giant "windsock," and notes that Gene Roddenberry (Trek's producer/creator) apologized that this was the best they could do with no budget left."

visual signal   

weathercock    weathervane    weather vane    Winsock   

bizkit    slashback    over-blouse    reraise    warmness