windsock

美 [ˈwɪndˌsɑk]
英 [ˈwɪndˌsɒk]
  • n.风向袋
  • 网络风向袋状;布制风标;风向标
复数:windsocks  
windsock
n.
1.
风向袋a tube made of soft material, open at both ends, that hangs at the top of a pole, to show the direction of the wind