What is the meaning of Vane?

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.

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

A sight on a sextant or compass.

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

vocative singular of van

third-person singular present of vanout

habit

practice

in vain, vainly

feminine plural of vano

vocative masculine singular of vānus

in vain, vainly

Alternative form of fane (flag, vane)

a habit, custom

a habit, custom

locative singular of vana (forest; desire)

optative active singular of vanati (to desire)

Source: wiktionary.org