Three horses gallop across the steppe against the background of the setting sunThree horses gallop across the steppe against the background of the setting sun
Horse gallops on the background of sunset on the mountainHorse gallops on the background of sunset on the mountain
A black horse is galloping in a meadow. a horse gallops on the grassA black horse is galloping in a meadow. A horse gallops on the grass
The fastest pace of a horse or other quadruped, with all the feet off the ground together in each stride. (of a horse) go at the pace of a gallop. (of a process or time) progress rapidly in a seemingly uncontrollable manner.