Definition: the flattened weblike part of a feather consisting of a series of barbs on either side of the shaft
Definition: flat surface that rotates and pushes against air or water
Main entry: vane
Definition: a fin attached to the tail of an arrow, bomb or missile in order to stabilize or guide it
Main entry: weather vane, weathervane, wind vane, vane
Definition: mechanical device attached to an elevated structure; rotates freely to show the direction of the wind