vane

IPA: vˈeɪn

A weather vane.
Any of several usually relatively thin, rigid, flat, or sometimes curved surfaces radially mounted along an axis, as a blade in a turbine or a sail on a windmill, that is turned by or used to turn a fluid.
(ornithology) The flattened, web-like part of a feather, consisting of a series of barbs on either side of the shaft.
(navigation) A sight on a sextant or compass.
(weaponry) One of the metal guidance or stabilizing fins attached to the tail of a bomb or other missile.
A surname.

Examples of "vane" in Sentences

If the turning vane is not used, some of the air will get around the turn, but backpressure will be created, and the flow rate of the air will be reduced.
My contribution in that "vane" is to express the hope that more Canadian companies will view the electricity building in the air as an exciting indicator of the numerous opportunities emerging for global business, and not of the static kind.