The Collaborative International Dictionary of English v.0.48:

Leap \Leap\, n. [AS. le['a]p.]
   1. A basket. [Obs.] --Wyclif.
      [1913 Webster]

   2. A weel or wicker trap for fish. [Prov. Eng.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Leap \Leap\ (l[=e]p), v. i. [imp. & p. p. Leaped (l[=e]pt;
   277), rarely Leapt (l[=e]pt or l[e^]pt); p. pr. & vb. n.
   Leaping.] [OE. lepen, leapen, AS. hle['a]pan to leap, jump,
   run; akin to OS. [=a]hl[=o]pan, OFries. hlapa, D. loopen, G.
   laufen, OHG. louffan, hlauffan, Icel. hlaupa, Sw. l["o]pa,
   Dan. l["o]be, Goth. ushlaupan. Cf. Elope, Lope,
   Lapwing, Loaf to loiter.]
   1. To spring clear of the ground, with the feet; to jump; to
      vault; as, a man leaps over a fence, or leaps upon a
      horse. --Bacon.
      [1913 Webster]

            Leap in with me into this angry flood. --Shak.
      [1913 Webster]

   2. To spring or move suddenly, as by a jump or by jumps; to
      bound; to move swiftly. Also Fig.
      [1913 Webster]

            My heart leaps up when I behold
            A rainbow in the sky.                 --Wordsworth.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Leap \Leap\, v. t.
   1. To pass over by a leap or jump; as, to leap a wall, or a
      ditch.
      [1913 Webster]

   2. To copulate with (a female beast); to cover.
      [1913 Webster]

   3. To cause to leap; as, to leap a horse across a ditch.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Leap \Leap\, n.
   1. The act of leaping, or the space passed by leaping; a
      jump; a spring; a bound.
      [1913 Webster]

            Wickedness comes on by degrees, . . . and sudden
            leaps from one extreme to another are unnatural.
                                                  --L'Estrange.
      [1913 Webster]

            Changes of tone may proceed either by leaps or
            glides.                               --H. Sweet.
      [1913 Webster]

   2. Copulation with, or coverture of, a female beast.
      [1913 Webster]

   3. (Mining) A fault.
      [1913 Webster]

   4. (Mus.) A passing from one note to another by an interval,
      especially by a long one, or by one including several
      other and intermediate intervals.
      [1913 Webster]

WordNet (r) 3.0 (2006):

leap
    n 1: a light, self-propelled movement upwards or forwards [syn:
         leap, leaping, spring, saltation, bound,
         bounce]
    2: an abrupt transition; "a successful leap from college to the
       major leagues" [syn: leap, jump, saltation]
    3: a sudden and decisive increase; "a jump in attendance" [syn:
       jump, leap]
    4: the distance leaped (or to be leaped); "a leap of 10 feet"
    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: 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]
    3: 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]
    4: cause to jump or leap; "the trainer jumped the tiger through
       the hoop" [syn: jump, leap]

Moby Thesaurus II by Grady Ward, 1.0:

284 Moby Thesaurus words for "leap":
   accept, access, accession, accretion, accrual, accruement,
   accumulation, addition, advance, aggrandizement, amount,
   amplification, anabasis, appreciation, ascension, ascent,
   augmentation, avant-propos, ballooning, bloating, boom, boost,
   bounce, bound, breakthrough, broadening, buck, buckjump, buildup,
   bundle, bustle, caesura, caliber, canter, caper, capriole, cavort,
   chase, clamber, clear, clearance, climb, climbing, coinage,
   compass, crescendo, crowd, curvet, cut, dance, dash, dash off,
   dash on, degree, development, discontinuity, discovery,
   distance between, double space, double-time, edema, elevation,
   em space, en space, enlargement, escalade, escalation, exordium,
   expansion, extension, extent, festinate, flood, foreword, fountain,
   fox-trot, freeboard, frisk, frolic, front matter, frontispiece,
   gain, gallop, gambol, get, get going, get moving, git, grade,
   greatening, growth, gush, gyring up, hair space, half space,
   hasten, height, hiatus, hightail, hike, hippety-hop, hop,
   hop along, hotfoot, hurdle, hurry, hurry on, hurry through,
   hurry up, hurry-scurry, hustle, increase, increment, inflation,
   innovation, interim, intermediate space, interruption, interspace,
   interstice, interval, introduction, invention, jet, jump, jump at,
   jump over, lacuna, leap over, leapfrog, leeway, level, levitation,
   lope, lose no time, make haste, make tracks, margin, mark, measure,
   mount, mounting, move quickly, multiplication, negotiate,
   neologism, new phase, notch, novelty, nuance, overjump, overleap,
   overskip, overture, pas, peg, period, pitch, plane, plateau,
   plunge, point, post, postulate, pounce, pounce on, pounce upon,
   prance, preamble, preface, prefix, prefixture, preliminary,
   prelude, premise, press on, presupposition, productiveness, proem,
   prolegomena, prolegomenon, prolepsis, proliferation, prologue,
   proportion, protasis, push on, quickly, race, raise, range,
   rapidly, ratio, reach, remove, rise, rising, rocketing up, romp,
   room, round, run, rung, rush, rush through, saltation, scale,
   scamper, scope, scramble, scurry, scuttle, shade, shadow,
   shooting up, single space, ski jump, skip, skip over, snowballing,
   soaring, space, space between, speedily, spout, spread, spring,
   sprint, spurt, stair, standard, start, start aside, start up,
   steeplechase, step, step along, step lively, stint, surge,
   swelling, swiftly, take, takeoff, taking off, tear, time interval,
   tread, trip, trot, tumescence, up, upclimb, upcoming, updive,
   updraft, upgang, upgo, upgoing, upgrade, upgrowth, uphill, upleap,
   uplift, upping, uprisal, uprise, uprising, uprush, upshoot,
   upslope, upspring, upsurge, upsurgence, upsweep, upswing, uptrend,
   upturn, vault, verse, voluntary, waxing, widening, zooming



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

LEAP
       Lightweight Extensible Authentication Protocol (Cisco, EAP,
cryptography, WLAN)


The Free On-line Dictionary of Computing (30 December 2018):

LEAP

   Language for the Expression of Associative Procedures.

   ALGOL-based formalism for sets and associative retrieval, for
   TX-2.  Became part of SAIL.

   "An ALGOL-based Associative Language", J.A. Feldman et al,
   CACM 12(8):439-449 (Aug 1969).