The Collaborative International Dictionary of English v.0.48:

Lope \Lope\, imp.
   of Leap. [Obs.]
   [1913 Webster]

         And, laughing, lope into a tree. Spenser.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lope \Lope\, v. i. [imp. & p. p. Loped; p. pr. & vb. n.
   Loping.] [See Leap.]
   1. To leap; to dance. [Prov. Eng.] "He that lopes on the
      ropes." --Middleton.
      [1913 Webster]

   2. To move with a leaping or bounding stride, as a horse.
      [U.S.]
      [1913 Webster]

   3. To run with an easy, bounding stride; -- of people.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

Lope \Lope\, n.
   1. A leap; a long step. [Prov. Eng.]
      [1913 Webster]

   2. An easy gait, consisting of long running strides or leaps.
      [U.S.]
      [1913 Webster]

            The mustang goes rollicking ahead, with the eternal
            lope, . . . a mixture of two or three gaits, as easy
            as the motions of a cradle.           --T. B.
                                                  Thorpe.
      [1913 Webster] Lopeared

WordNet (r) 3.0 (2006):

lope
    n 1: a slow pace of running [syn: jog, trot, lope]
    2: a smooth three-beat gait; between a trot and a gallop [syn:
       canter, lope]
    v 1: run easily

Moby Thesaurus II by Grady Ward, 1.0:

61 Moby Thesaurus words for "lope":
   amble, bound, burst, burst of speed, canter, caracole, curvet,
   dash, dead run, dogtrot, flank speed, flat-out speed, forced draft,
   fox-trot, frisk, full gallop, gallop, get, git, go on horseback,
   hack, hand gallop, headlong rush, heavy right foot, high lope,
   hightail, hop, hop along, hotfoot, jog trot, leap, make tracks,
   maximum speed, mount, open throttle, pace, piaffe, plunge, prance,
   race, ride bareback, ride hard, romp, run, rush, scamper, scud,
   scurry, scuttle, skitter, spring, sprint, spurt, step, step along,
   step lively, take horse, tittup, trip, trot, wide-open speed