| the flattened weblike part of a feather consisting of a series of barbs on either side of the shaft | a projectile with a straight thin shaft and an arrowhead on one end and stabilizing vanes on the other; intended to be shot from a bow |
| mechanical device attached to an elevated structure; rotates freely to show the direction of the wind | a mark to indicate a direction or relation |
| 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 | |