What does "gallop" mean?

Additional senses

1. 2.Fig.: To go rapidly or carelessly, as in making a hasty examination. Such superficial ideas he may collect in galloping over it. Locke.
2. 3.To cause to gallop.
3. 4.A mode of running by a quadruped, particularly by a horse, by lifting alternately the fore feet and the hind feet, in successive leaps or bounds. Hand gallop, a slow or gentle gallop.