1. 风(向)袋：wind run 风程 | wind sleeve 风向)袋 | wind sock 风向)袋

2. 风袋：风砌雪 wind slab | 风袋 wind sleeve | 风袋 wind sock

noun

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

Synonym: windsockwind socksockair sockair-sleevewind conedrogue