Definitions For Vane

noun

• The flattened weblike part of a feather consisting of a series of barbs on either side of the shaft
• Flat surface that rotates and pushes against air or water
• A fin attached to the tail of an arrow, bomb or missile in order to stabilize or guide it
• Mechanical device attached to an elevated structure; rotates freely to show the direction of the wind
• A thin, flat or curved object that is attached to a wheel and that moves when air or water pushes it