vane

  1. Noun.  (countable) A weather vane.
  2. Noun.  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.
  3. Noun.  (ornithology) The flattened, web-like part of a feather, consisting of a series of barbs on either side of the shaft.
  4. Noun.  A sight on a sextant or compass.
  5. Noun.  One of the metal guidance or stabilizing fins attached to the tail of a bomb or other missile.

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This entry was last updated on RefTopia from its source on 3/20/2012.