jog 1 (jg) v. jogged, jog·ging, jogs v.tr. 1. To move by shoving, bumping, or jerking; jar: a rough wagon ride that jogged the passengers. 2. To give a push or shake to; nudge: jogged her dozing companion with her elbow. 3. To rouse or stimulate as if by nudging: an old photo that might jog your memory. 4. To cause (a horse) to move at a leisurely pace. v.intr. 1. To move with a jolting rhythm: The pack jogged against his back as he ran. 2. a. To run or ride at a steady slow trot: jogged out to their positions on the playing field. b. Sports To run in such a way for sport or exercise. 3. a. To go or travel at a slow or leisurely pace: The old car jogged along until it reached the hill. b. To proceed in a leisurely manner: "while his life was thus jogging easily along" (Duff Cooper). n. 1. A slight push or shake; a nudge. 2. A jogging movement or rhythm. 3. A slow steady trot. http://www.thefreedictionary.com/jog

RUN: Move at a speed faster than a walk, never having both or all the feet on the ground at the same time. JOG: Run at a steady gentle pace, a slower form of running.