plural of tail-ender

plural of tail number

plural of tail slide

plural of top and tail

plural of tail block

Alternative form of tailswing / The swing of a tail.

Alternative form of roostertail

plural of rooster-tail

plural of pony tail

(aviation) A small rotor mounted vertically at the end of the tail of a single-rotor helicopter so as to develop thrust in the same direction as the main rotor's rotation, to counter the torque effect created by the main rotor.