vane

n. weather vane; one of a set of blades mounted in a circle that rotates with the movement of the wind or water; guiding fin on a missile; webbed blade on either side of the shaft of a feather

Vane is a surname, and may refer to:Ben VaneCharles VaneCharles Vane-Tempest-Stewart, 6th Marquess of LondonderryCharles Vane-Tempest-Stewart, 7th Marquess of LondonderryChristopher Vane, 1st Baron BarnardEdith Vane-Tempest-Stewart, Marchioness of LondonderryGeorge Vane-Tempest, 5th Marquess of LondonderryHarriet VaneHarry Vane, 11th Baron BarnardHenry Vane:Sir Henry Vane the Elder (1589–1655), English courtier, father of Henry Vane the YoungerSir Henry Vane the Younger (1613–1662), statesman, Puritan, son of Henry Vane the ElderHenry Vane, 1st Earl of Darlington PC (c. 1705–March 6, 1758)Henry Vane, 2nd Earl of Darlington (1726–8 September 1792)Henry Francis Cecil VaneHenry Fletcher-VaneJohn Robert VaneRichard Fletcher-Vane, 2nd Baron InglewoodRobin Vane-Tempest-Stewart, 8th Marquess of LondonderryRomilda VaneWilliam Henry Vane, 1st Duke of Cleveland, KG (27 July 1766–29 January 1842) Vane may also refer to several types of metal plates:Cooper vaneVane anemometerWeather vane
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Väne Hundred, or Väne härad, was a hundred of Västergötland in Sweden.
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Noun
1. flat surface that rotates and pushes against air or water
(synonym) blade
(hypernym) rotating mechanism
(hyponym) fan blade
(part-holonym) propeller, propellor
2. mechanical device attached to an elevated structure; rotates freely to show the direction of the wind
(synonym) weathervane, weather vane, wind vane
(hypernym) mechanical device
(hyponym) weathercock
3. a metal fin attached to the tail of a bomb or missile in order to stabilize or guide it
(hypernym) fin
(part-holonym) missile
4. the flattened weblike part of a feather consisting of a series of barbs on either side of the shaft
(synonym) web
(hypernym) blade
(part-holonym) feather, plume, plumage
(part-meronym) barb

adj. vain, empty, idle, futile, fruitless, space, nugatory; ineffectual, useless, pointless, unsuccessful

(n.)
The rhachis and web of a feather taken together.
  

(n.)
One of the sights of a compass, quadrant, etc.
  

(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.
  

(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.