Throbbing

throbbing
    adj 1: pounding or beating strongly or violently; "a throbbing
           pain"; "the throbbing engine of the boat"
    n 1: an instance of rapid strong pulsation (of the heart); "he
         felt a throbbing in his head" [syn: {throb}, {throbbing},
         {pounding}]
    2: a sound with a strong rhythmic beat; "the throbbing of the
       engines"
    

Throb \Throb\, v. i. [imp. & p. p. {Throbbed}; p. pr. & vb. n.
   {Throbbing}.] [OE. [thorn]robben; of uncertain origin; cf.
   Russ. trepete a trembling, and E. trepidation.]
   To beat, or pulsate, with more than usual force or rapidity;
   to beat in consequence of agitation; to palpitate; -- said of
   the heart, pulse, etc.
   [1913 Webster]

         My heart
         Throbs to know one thing.                --Shak.
   [1913 Webster]

         Here may his head lie on my throbbing breast. --Shak.
   [1913 Webster]
    

108 Moby Thesaurus words for "throbbing":
      aching, achy, arrhythmia, backachy, barrage, beat, beating,
      cadenced, cadent, clicking, colicky, didder, disquiet, disquietude,
      dithers, drum, drum music, drumbeat, drumfire, drumming,
      fidgetiness, fidgets, flutter, fluttering, full, griping, headachy,
      heartbeat, heartthrob, heaving, in numbers, in rhythm, inquietude,
      measured, mellow, metric, migrainous, palpitant, palpitation,
      panting, paradiddle, patter, pitapat, pitter-patter, plangent,
      pound, pounding, pulsatile, pulsating, pulsation, pulsative,
      pulsatory, pulse, pulsing, quaking, quaver, quavering, quiver,
      quivering, rat-a-tat, rat-tat, rat-tat-tat, rataplan, rattattoo,
      resonant, resonating, restlessness, rhythm, rhythmic, rich, roll,
      rolling, rub-a-dub, ruff, ruffle, shakes, shaking, shiver, shivers,
      shudder, sonorous, spatter, spattering, splutter, spluttering,
      sputter, sputtering, staccato, stomachachy, tat-tat, tattoo, tempo,
      throb, thrum, thrumming, thumping, ticking, tom-tom, toothachy,
      tremble, trembling, tremor, trepidation, trepidity, twitter,
      unrest, vibrant, vibrating