quaking

Quake \Quake\, v. i. [imp. & p. p. {Quaked}; p. pr. & vb. n.
   {Quaking}.] [AS. cwacian; cf. G. quackeln. Cf. {Quagmire}.]
   1. To be agitated with quick, short motions continually
      repeated; to shake with fear, cold, etc.; to shudder; to
      tremble. "Quaking for dread." --Chaucer.
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            She stood quaking like the partridge on which the
            hawk is ready to seize.               --Sir P.
                                                  Sidney.
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   2. To shake, vibrate, or quiver, either from not being solid,
      as soft, wet land, or from violent convulsion of any kind;
      as, the earth quakes; the mountains quake. " Over quaking
      bogs." --Macaulay.
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Quaking \Quak"ing\,
   a. & n. from {Quake}, v.
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   {Quaking aspen} (Bot.), an American species of poplar
      ({Populus tremuloides}), the leaves of which tremble in
      the lightest breeze. It much resembles the European aspen.
      See {Aspen}.

   {Quaking bog}, a bog of forming peat so saturated with water
      that it shakes when trodden upon.

   {Quaking grass}. (Bot.)
   (a) One of several grasses of the genus {Briza}, having
       slender-stalked and pendulous ovate spikelets, which
       quake and rattle in the wind. {Briza maxima} is the large
       quaking grass; {Briza media} and {Briza minor} are the
       smaller kinds.
   (b) Rattlesnake grass ({Glyceria Canadensis}).
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80 Moby Thesaurus words for "quaking":
      agitation, ague, aquiver, aspen, bumpiness, chattering,
      chills of fear, chorea, cold creeps, cold shivers, cold sweat,
      creeps, didder, disquiet, disquietude, dithers, fear and trembling,
      fidgetiness, fidgets, fits and starts, flutter, goose bumps,
      gooseflesh, heartquake, heaving, horripilation, inquietude,
      jactation, jactitation, jerkiness, jimjams, joltiness, nervousness,
      palpitation, palsied, palsy, panting, perturbation, pitapat,
      pitter-patter, quaver, quavering, quavery, quiver,
      quiver of terror, quivering, quivery, restlessness, shakes,
      shaking, shaky, shiver, shivering, shivers, shivery, shudder,
      shuddering, spasms, succussatory, succussion, succussive, sweat,
      thrill of fear, throb, throbbing, tremble, trembling, trembly,
      tremor, tremulant, tremulous, tremulousness, trepidation,
      trepidity, twitter, uneasiness, unrest, vibrating, vibration,
      wobbly