Definition of "longe"

longe¹

/lʌnd͡ʒ/

verb
third-person singular simple present longes, present participle longeing, simple past and past participle longed
1. (US, transitive) To work (a horse) in a circle at the end of a long line or rope.
noun
plural longes
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.
  Quotations
  […] he parried my thrusts with great calmness, until I had almost exhausted my spirits; and when he perceived me beginning to flag, attacked me fiercely in his turn.—Finding himself however better opposed than he expected, he resolved to follow his longe, and close with me; accordingly, his sword entered my waistcoat […]
  1748, Tobias Smollett, chapter 59, in The Adventures of Roderick Random‎, volume 2, London: J. Osborn, page 252
3. (military) The training ground for a horse.
  Quotations
  LONGE.—The training ground for the instruction of a young horse, to render him quiet, tractable, and supple; to give him free and proper use of his limbs, to form his paces, and to prepare him in all respects for the cavalry service.
  1885, Edward S. Farrow, Farrow’s Military Encyclopedia‎, volume 2, New York, page 230

longe²

noun
1. plural of longa