windsock

or wind sock

[ wind-sok ]

noun

1. a tapered, tubular cloth vane, open at both ends and having at the larger end a fixed ring pivoted to swing freely, installed at airports or elsewhere to indicate wind direction and approximate intensity.

windsock

/ ˈwɪndˌsɒk /

noun

1. a truncated cone of textile mounted on a mast so that it is free to rotate about a vertical axis: used, esp at airports, to indicate the local wind direction Also calledair sockdroguewind sleevewind cone

Word History and Origins

Origin of windsock¹

First recorded in 1925–30; wind ¹ + sock ¹