Vane

Mechanical device attached to an elevated structure; rotates freely to show the direction of the wind

The flattened weblike part of a feather consisting of a series of barbs on either side of the shaft

Synonyms

Web

Type of

Blade

Has parts

Barb

Flat surface that rotates and pushes against air or water

A fin attached to the tail of an arrow, bomb or missile in order to stabilize or guide it

Type of

Fin

Part of

Arrow

Missile