vane

Definitions of vane in various dictionaries:

noun - mechanical device attached to an elevated structure

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

noun - flat surface that rotates and pushes against air or water

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

A weathervane.

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.

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

The movable target on a leveling rod.

A sight on a quadrant or compass.

One of the metal guidance or stabilizing fins attached to the tail of a bomb or other missile.

adj - a device for showing the direction of the wind [n -S] : VANED