1) a kind of aircraft with horizontal revolving blades (called rotors) on the top (helicopter)
2) an act of revolving or going round; a complete turn of a wheel etc (revolution)
3) a kind of gun with a revolving part that makes it possible to fire a number of bullets without reloading (revolver)
4) a revolving gate that allows one person through at a time (turnstile)
in the direction opposite to the movement of the hands of a clock
counter clockwise, circling
revolution; turning
revolution
a ballet dancer's fast turn on the front end of the foot
circuit around something
(of motion) moving in circles round a central point
turning
relating to, causing, moving in, rotation
turning
