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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. |
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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. |
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The rhachis and web of a feather taken together. |
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One of the sights of a compass, quadrant, etc. |
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