The Collaborative International Dictionary of English v.0.48:

jump \jump\, v. i. [imp. & p. p. jumped (j[u^]mt; 215); p. pr.
   & vb. n. jumping.] [Akin to OD. gumpen, dial. G. gumpen,
   jumpen.]
   [1913 Webster]
   1. To spring free from the ground by the muscular action of
      the feet and legs; to project one's self through the air;
      to spring; to bound; to leap.
      [1913 Webster]

            Not the worst of the three but jumps twelve foot and
            a half by the square.                 --Shak.
      [1913 Webster]

   2. To move as if by jumping; to bounce; to jolt. "The jumping
      chariots." --Nahum iii. 2.
      [1913 Webster]

            A flock of geese jump down together.  --Dryden.
      [1913 Webster]

   3. To coincide; to agree; to accord; to tally; -- followed by
      with. "It jumps with my humor." --Shak.
      [1913 Webster]

   To jump at, to spring to; hence, fig., to accept suddenly
      or eagerly; as, a fish jumps at a bait; to jump at a
      chance.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Jumping \Jump"ing\, p. a. & vb. n.
   of Jump, to leap.
   [1913 Webster]

   Jumping bean, a seed of a Mexican Euphorbia, containing
      the larva of a moth (Carpocapsa saltitans). The larva by
      its sudden movements causes the seed to roll to roll and
      jump about.

   Jumping deer (Zool.), a South African rodent (Pedetes
      Caffer), allied to the jerboa.

   Jumping louse (Zool.), any of the numerous species of plant
      lice belonging to the family Psyllid[ae], several of
      which are injurious to fruit trees.

   Jumping mouse (Zool.), North American mouse (Zapus
      Hudsonius), having a long tail and large hind legs. It is
      noted for its jumping powers. Called also kangaroo
      mouse.

   Jumping mullet (Zool.), gray mullet.

   Jumping shrew (Zool.), any African insectivore of the genus
      Macroscelides. They are allied to the shrews, but have
      large hind legs adapted for jumping.

   Jumping spider (Zool.), spider of the genus Salticus and
      other related genera; one of the Saltigrad[ae]; -- so
      called because it leaps upon its prey.
      [1913 Webster]

WordNet (r) 3.0 (2006):

jumping
    n 1: the act of participating in an athletic competition in
         which you must jump
    2: the act of jumping; propelling yourself off the ground; "he
       advanced in a series of jumps"; "the jumping was unexpected"
       [syn: jump, jumping]

Moby Thesaurus II by Grady Ward, 1.0:

19 Moby Thesaurus words for "jumping":
   bouncing, bounding, capering, hopping, hurdle race, hurdling,
   leaping, pole vaulting, prancing, saltant, saltation, saltatorial,
   saltatory, skipping, springing, steeplechase, the hurdles,
   timber topping, vaulting