galloper

1. One who gallops.

   a. 1898, Rudyard Kipling, "The Drums of the Fore and Aft" The lancers chafing in the right gorge had thrice dispatched their only subaltern as galloper to report on the progress of affairs.

2. An aide-de-camp.

3. A racehorse.

4. A carousel or roundabout (especially in the plural)

5. A carriage on which very small guns were formerly mounted, the gun resting on the shafts, without a limber.

6. (Australia)The Chinamanfish, a type of snapper

regular