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Use "galloper" in a sentence
"Yes, the troop carried heavy armament, sixteen carriage-mounted "galloper" cannon, and two sixteen-inch mortars."
"In addition, there was the 1-1/2-pounder (and sometimes the light 3 - or 6-pounder) on a "galloper" carriage -- a vehicle with its trail shaped into shafts for the horse."
"George Richardson, G.O.C., and it was on this occasion that Mr. F.E. Smith became famous as "galloper" to the General."