1. The back and forth rocking motion of a vehicle which compresses the front springs and extends the rear springs so that the nose of the vehicle is down while the tail is up. Then the action reverses so that the nose is up and the tail is down (i.e., dive and squat ).
2. The distance between two threads on a bolt or screw.
3. The distance between a point on one gear tooth and the same point on the next gear tooth.
4. The quality of sound with respect to the frequency of vibration of the sound waves.
5. The angle at which something is tilted. See variable pitch stator . .