gallop in WordNet English dictionary

1. cause to move at full gallop
   "Did you gallop the horse just now?"
   gallop  extend 
   
2. ride at a galloping pace
   "He was galloping down the road"
   gallop 
   
3. go at galloping speed
   "The horse was galloping along"
   gallop 
   

1. a fast gait of a horse; a two-beat stride during which all four legs are off the ground simultaneously
   gallop