Meaning of vane

vane

Pronunciation: (vān), [key]
  1. See
  2. a blade, plate, sail, etc., in the wheel of a windmill, to be moved by the air.
  3. any of a number of blades or plates attached radially to a rotating drum or cylinder, as in a turbine or pump, that move or are moved by a fluid, as steam, water, hot gases, or air.
  4. a person who is readily changeable or fickle.
    1. any fixed or movable plane surface on the outside of a rocket providing directional control while the rocket is within the atmosphere.
    2. a similar plane surface located in the exhaust jet of a reaction engine, providing directional control while the engine is firing.
  5. the web of a feather. See illus. under
  6. either of two fixed projections for sighting an alidade or the like.
  7. feather (def. 5).

Vane

Pronunciation: (vān), [key]
  1. (Sir Harry Vane), 1613–62, British statesman and author.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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