1. (v. i.) To move or run in the mode called a gallop; as a horse; to go at a gallop; to run or move with speed.

2. (v. i.) To ride a horse at a gallop.

3. (v. i.) Fig.: To go rapidly or carelessly, as in making a hasty examination.

4. (v. t.) To cause to gallop.

5. (n.) 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.