Vane n. : A contrivance attached to some elevated object for the purpose of showing which way the wind blows; a weathercock. It is usually a plate or strip of metal, or slip of wood, often cut into some fanciful form, and placed upon a perpendicular axis around which it moves freely.

Vane n. : Any flat, extended surface attached to an axis and moved by the wind; as, the vane of a windmill; hence, a similar fixture of any form moved in or by water, air, or other fluid; as, the vane of a screw propeller, a fan blower, an anemometer, etc.

Vane n. : The rhachis and web of a feather taken together.

Vane n. : One of the sights of a compass, quadrant, etc.

Example:
How does one remove a broken Vane carrier clip on a Vertical Blind system?

Taxonomy
vane, Merriam-Webster Online Dictionary, weather vane, Dictionary, webster, fluid, cloth, Word Games, feather, Webster Online Dictionary with audio pronunciations, thesaurus, Middle English, Old English, glossary, english, language, ESL, Search.

Defination from the web:
vane from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... is rotated about an axis by a flow of fluid or that rotates to cause a fluid to flow or that redirects a flow of fluid <the vanes of a windmill> ...