The Collaborative International Dictionary of English v.0.48:

jump \jump\ (j[u^]mp), n. [Cf. F. jupe a long petticoat, a
   skirt. Cf. juppon.]
   (a) A kind of loose jacket for men.
   (b) pl. A bodice worn instead of stays by women in the 18th
       century.
       [1913 Webster]

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:

Jump \Jump\, v. t.
   1. To pass over by means of a spring or leap; to overleap;
      as, to jump a stream.
      [1913 Webster]

   2. To cause to jump; as, he jumped his horse across the
      ditch.
      [1913 Webster]

   3. To expose to danger; to risk; to hazard. [Obs.]
      [1913 Webster]

            To jump a body with a dangerous physic. --Shak.
      [1913 Webster]

   4. (Smithwork)
      (a) To join by a butt weld.
      (b) To thicken or enlarge by endwise blows; to upset.
          [1913 Webster]

   5. (Quarrying) To bore with a jumper.
      [1913 Webster]

   To jump a claim, to enter upon and take possession of land
      to which another has acquired a claim by prior entry and
      occupation. [Western U. S. & Australia] See Claim, n.,
      3.

   To jump one's bail, to abscond while at liberty under bail
      bonds. [Slang, U. S.]

   To jump the gun, to begin to run (in a footrace) before the
      starting gun has fired; hence, (fig.) to begin any
      activity before the designated starting time.
      [1913 Webster +PJC]

The Collaborative International Dictionary of English v.0.48:

Jump \Jump\, a.
   Nice; exact; matched; fitting; precise. [Obs.] "Jump names."
   --B. Jonson.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Jump \Jump\, adv.
   Exactly; pat. [Obs.] --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

jump \jump\ (j[u^]mp), n.
   same as jump-start, n..
   [PJC]

The Collaborative International Dictionary of English v.0.48:

jump \jump\ (j[u^]mp), v. t.
   same as jump-start, v. t..
   [PJC]

The Collaborative International Dictionary of English v.0.48:

Jump \Jump\, n.
   1. The act of jumping; a leap; a spring; a bound. "To advance
      by jumps." --Locke.
      [1913 Webster]

   2. An effort; an attempt; a venture. [Obs.]
      [1913 Webster]

            Our fortune lies
            Upon thisjump.                        --Shak.
      [1913 Webster]

   3. The space traversed by a leap.
      [1913 Webster]

   4. (Mining) A dislocation in a stratum; a fault.
      [1913 Webster]

   5. (Arch.) An abrupt interruption of level in a piece of
      brickwork or masonry.
      [1913 Webster]

   6. A jump-start; as, to get a jump from a passing mmotorist.
      [PJC]

   From the jump, from the start or beginning. [Colloq.]

   Jump joint.
      (a) A butt joint.
      (b) A flush joint, as of plank in carvel-built vessels.

   Jump seat.
      (a) A movable carriage seat.
      (b) A carriage constructed with a seat which may be
          shifted so as to make room for second or extra seat.
          Also used adjectively; as, a jump-seat wagon.
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Jump-start \Jump"-start`\, n.
   The action or event of jump-starting. For motor vehicles, the
   jump-starting of an engine is also called a jump.
   [PJC] Jump suit

The Collaborative International Dictionary of English v.0.48:

Jupon \Ju*pon"\, Juppon \Jup*pon"\, n. [F. jupon, fr. jupe
   skirt, Sp. aljuba a Moorish garment, Ar. jubba.] [Written
   variously jupe, jump, juppo, etc.]
   [1913 Webster]
   1. A sleeveless jacket worn over the armor in the 14th
      century. It fitted closely, and descended below the hips.
      --Dryden.
      [1913 Webster]

   2. A petticoat. --Halliwell.
      [1913 Webster]

WordNet (r) 3.0 (2006):

jump
    n 1: a sudden and decisive increase; "a jump in attendance"
         [syn: jump, leap]
    2: an abrupt transition; "a successful leap from college to the
       major leagues" [syn: leap, jump, saltation]
    3: (film) an abrupt transition from one scene to another
    4: a sudden involuntary movement; "he awoke with a start" [syn:
       startle, jump, start]
    5: descent with a parachute; "he had done a lot of parachuting
       in the army" [syn: jump, parachuting]
    6: the act of jumping; propelling yourself off the ground; "he
       advanced in a series of jumps"; "the jumping was unexpected"
       [syn: jump, jumping]
    v 1: move forward by leaps and bounds; "The horse bounded across
         the meadow"; "The child leapt across the puddle"; "Can you
         jump over the fence?" [syn: jump, leap, bound,
         spring]
    2: move or jump suddenly, as if in surprise or alarm; "She
       startled when I walked into the room" [syn: startle,
       jump, start]
    3: make a sudden physical attack on; "The muggers jumped the
       woman in the fur coat"
    4: increase suddenly and significantly; "Prices jumped
       overnight"
    5: be highly noticeable [syn: leap out, jump out, jump,
       stand out, stick out]
    6: enter eagerly into; "He jumped into the game"
    7: rise in rank or status; "Her new novel jumped high on the
       bestseller list" [syn: rise, jump, climb up]
    8: jump down from an elevated point; "the parachutist didn't
       want to jump"; "every year, hundreds of people jump off the
       Golden Gate bridge"; "the widow leapt into the funeral pyre"
       [syn: jump, leap, jump off]
    9: run off or leave the rails; "the train derailed because a cow
       was standing on the tracks" [syn: derail, jump]
    10: jump from an airplane and descend with a parachute [syn:
        chute, parachute, jump]
    11: cause to jump or leap; "the trainer jumped the tiger through
        the hoop" [syn: jump, leap]
    12: start (a car engine whose battery is dead) by connecting it
        to another car's battery [syn: jumpstart, jump-start,
        jump]
    13: bypass; "He skipped a row in the text and so the sentence
        was incomprehensible" [syn: jump, pass over, skip,
        skip over]
    14: pass abruptly from one state or topic to another; "leap into
        fame"; "jump to a conclusion"; "jump from one thing to
        another" [syn: leap, jump]
    15: go back and forth; swing back and forth between two states
        or conditions [syn: alternate, jump]

The Free On-line Dictionary of Computing (19 January 2023):

jump

    (Or "branch") The term for a goto instruction,
   usually in a context of machine languages.  "Branch" may be
   synonymous with "jump", or may refer to jumps that depend on a
   condition.

   (1998-11-14)