noun
: control of the lateral and longitudinal motion of a helicopter by means of an adjustable device that varies the pitch of the rotor blades during each rotation cycle so that there can be forward, backward, or lateral motion
noun
: control of the lateral and longitudinal motion of a helicopter by means of an adjustable device that varies the pitch of the rotor blades during each rotation cycle so that there can be forward, backward, or lateral motion
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012