The Collaborative International Dictionary of English v.0.48:

Shiver \Shiv"er\, v. i. [OE. chiveren, cheveren; of uncertain
   origin. This word seems to have been confused with shiver to
   shatter.]
   To tremble; to vibrate; to quiver; to shake, as from cold or
   fear.
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         Prometheus is laid
         On icy Caucasus to shiver.               --Swift.
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         The man that shivered on the brink of sin,
         Thus steeled and hardened, ventures boldly in.
                                                  --Creech.
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The Collaborative International Dictionary of English v.0.48:

Shiver \Shiv"er\, n. [OE. schivere, fr. shive; cf. G. schifer a
   splinter, slate, OHG. scivere a splinter, Dan. & Sw. skifer a
   slate. See Shive, and cf. Skever.]
   1. One of the small pieces, or splinters, into which a
      brittle thing is broken by sudden violence; -- generally
      used in the plural. "All to shivers dashed." --Milton.
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   2. A thin slice; a shive. [Obs. or Prov. Eng.] "A shiver of
      their own loaf." --Fuller.
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            Of your soft bread, not but a shiver. --Chaucer.
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   3. (Geol.) A variety of blue slate.
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   4. (Naut.) A sheave or small wheel in a pulley.
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   5. A small wedge, as for fastening the bolt of a window
      shutter.
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   6. A spindle. [Obs. or Prov. Eng.]
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The Collaborative International Dictionary of English v.0.48:

Shiver \Shiv"er\, v. t. (Naut.)
   To cause to shake or tremble, as a sail, by steering close to
   the wind.
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The Collaborative International Dictionary of English v.0.48:

Shiver \Shiv"er\, v. t. [imp. & p. p. Shivered; p. pr. & vb.
   n. Shivering.] [OE. schiveren, scheveren; cf. OD.
   scheveren. See Shiver a fragment.]
   To break into many small pieces, or splinters; to shatter; to
   dash to pieces by a blow; as, to shiver a glass goblet.
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         All the ground
         With shivered armor strown.              --Milton.
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The Collaborative International Dictionary of English v.0.48:

Shiver \Shiv"er\, v. i.
   To separate suddenly into many small pieces or parts; to be
   shattered.
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         There shiver shafts upon shields thick.  --Chaucer
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         The natural world, should gravity once cease, . . .
         would instantly shiver into millions of atoms.
                                                  --Woodward.
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The Collaborative International Dictionary of English v.0.48:

Shiver \Shiv"er\, n.
   The act of shivering or trembling.
   [1913 Webster]

WordNet (r) 3.0 (2006):

shiver
    n 1: a reflex motion caused by cold or fear or excitement [syn:
         tremble, shiver, shake]
    2: an almost pleasurable sensation of fright; "a frisson of
       surprise shot through him" [syn: frisson, shiver,
       chill, quiver, shudder, thrill, tingle]
    v 1: tremble convulsively, as from fear or excitement [syn:
         shudder, shiver, throb, thrill]
    2: shake, as from cold; "The children are shivering--turn on the
       heat!" [syn: shiver, shudder]

Moby Thesaurus II by Grady Ward, 1.0:

232 Moby Thesaurus words for "shiver":
   ache, aching, agitation, all-overs, atomize, bang, be cold, bit,
   bob, bobble, boot, bounce, break into pieces, break to pieces,
   break up, bump, burst, butt, charge, chatter, chilblains, chill,
   chilliness, chilling, chills of fear, chip, chunk, clip, clipping,
   cold creeps, cold shivers, cold sweat, collop, crash, creeps,
   crumb, crunch, crush, cryopathy, cut, cut to pieces, cutting,
   demolish, didder, diffuse, disintegrate, disperse, disquiet,
   disquietude, disrupt, dither, dithers, dollop, duck bumps, end,
   explode, falter, fear and trembling, fidget, fidgetiness, fidgets,
   fission, flap, flip out, flush, flutter, formication, fragment,
   freak out on, freeze, freeze to death, frisson, frostbite,
   get high on, glow, go pitapat, gob, gobbet, goose bumps,
   goose pimples, gooseflesh, grimace, grind, grow cold, have a chill,
   have an ague, have goose pimples, have the fidgets,
   have the shakes, heartquake, heave, heaving, heebie-jeebies,
   horripilate, horripilation, hunk, hustle, implode, inquietude,
   jactitate, jar, jerk, jig, jigget, jiggle, jimjams, jitters, jog,
   joggle, jollies, jolt, jostle, jounce, jump, jumps, kibe, kick,
   lift, lose heat, luff, lump, make mincemeat of, mince, modicum,
   moiety, morceau, morsel, nervousness, nip, palpitate, palpitation,
   pant, panting, paring, particle, pash, patch, perish with cold,
   perturbation, piece, pitapat, pitter-patter, pulverize, quake,
   quaking, quaver, quavering, quiver, quiver of terror, quivering,
   quivers, rasher, rattle, restlessness, rictus, rive, rupture, rush,
   rush of emotion, scatter, scoop, scrap, sensation, shake,
   shake all over, shakes, shaking, shard, shatter, shaving,
   shivering, shivers, shock, shred, shudder, slice, sliver, smash,
   smash up, smatter, smithereen, snack, snatch, snick, snip, snippet,
   splinter, squash, squirm, squish, stitch, stump, surge of emotion,
   sweat, swell, swell with emotion, tag, tatter, the shakes, thrill,
   thrill of fear, thrill to, throb, throbbing, tic, tingle,
   tingle with excitement, tingling, titillation, toss, toss and turn,
   tremble, trembles, trembling, tremor, tremor of excitement,
   trepidation, trepidity, tumble, turn on to, twist and turn, twitch,
   twitter, uneasiness, unrest, vibrate, wallop, wiggle, willies,
   wobble, wriggle, writhe