yaw [yaws](A vessel's motion rotating about the vertical axis, so the bow yaws from side to side; a characteristic of unsteadiness) noun [UK: jɔː] [US: ˈjɒ]In helicopters, yaw is controlled through the pedals, which alter the angle of attack of the tail rotor blades. = En helicópteros, la guiñada se controla a través de los pedales, los cuales varían el ángulo de ataque de las palas del rotor de cola.