longe
noun
1. A long rope or flat web line, more commonly referred to as a longe line, approximately 20-30 feet long, attached to the bridle, longeing cavesson, or halter of a horse and used to control the animal while longeing.
2. (obsolete) A lunge; a thrust.
3. The training ground for a horse.
verb
1. (US) To work a horse in a circle at the end of a long line or rope.