a weapon that is forcibly thrown or projected at a targets but is not self-propelled | the flattened weblike part of a feather consisting of a series of barbs on either side of the shaft |
a rocket carrying a warhead of conventional or nuclear explosives; may be ballistic or directed by remote control | mechanical device attached to an elevated structure; rotates freely to show the direction of the wind |
| 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 |