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.
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.
A flat, extended surface such as that on an impeller of a pump. Return to .
flat surface that rotates and pushes against air or water
mechanical device attached to an elevated structure; rotates freely to show the direction of the wind
a metal fin attached to the tail of a bomb or missile in order to stabilize or guide it
a device with a flat surface or blade that is acted on by water or wind; may be used to indicate wind direction
A large, flat piece of material used to align a wind turbine rotor correctly into the wind. Usually mounted vertically on the tail boom. Sometimes called a Tail. See also: Furling Tail, Tail, Tail Boom
A large piece of material used behind the generator to hold the blades in the direction of the wind.
Also called a weather vane or wind vane. The instrument that measures wind direction.
A flat device that is affected by the wind. Vanes are used in wind direction indicators and some self steering gear systems.
A revolving pointer mounted on a high place to show the direction of the wind.
instrument used to measure wind direction; also called wind vane.
1) A term, now obsolete, for a short, triangular pennant (sometimes stiffened with a frame) formerly flown from the mastheads of sailing vessels in place of (or in the case of warships in addition to) a masthead pennant (see also ‘ masthead pennant 1)'). 2) A length of bunting (or other light material) fixed in the shrouds of a yacht or small sailing vessel to indicate wind direction – a wind vane. 3) A small metal flag-like object; generally set on a rod on the top of a building – a weather vane. 4) A pre-heraldic vexilloid in the form of a decorative metal plaque mounted onboard ship by the Vikings (see also ‘ pre-heraldic' and ‘ vexilloid'). Please note that the term vane (or van) in heraldry can also refer to a ‘winnowing basket' or scruttle/shruttle/fruttle/fan.