Gallop

1. The fasted gate of a horse. Be careful when you gallop the horse on hard pavement.
2. A two-beat stride of a horse during which all four legs are off the ground simultaneously. She brought the horse to a full gallop.
3. To ride at a galloping pace. They galloped across the field.
4. To make electrical or other utility lines sway and/or move up and down violently, usually due to a combination of high winds and ice accrual on the lines. Electric lines will gallop in heavy wind enough to make the poles break and fall.
5. To run very fast. His jog changed to a gallop when he saw the danger.