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