What is 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 called?

gallop — 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. (Webster's 1913.)

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