Vane

/vˈe‍ɪn/

/ˈveɪn/

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

flat surface that rotates and pushes against air or water

synonyms : blade

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

Examples

1. This vane is extracted from a KIRLOSKAR pump model.

2. The vanes can then be independently articulated.

3. When you shine light on it, the vanes spin.

4. It's called Vane.