[1] : The Collaborative International Dictionary of English v.0.48

palpitate \pal"pitate\, v. i. imp.  p. p. palpitated; p.
   pr.  vb. n. palpitating. l. palpitare, palpitatum, v.
   intens. fr. pappare. see palpable.
   to beat rapidly and more strongly than usual; to throb; to
   bound with emotion or exertion; to pulsate violently; to
   flutter; -- said specifically of the heart when its action is
   abnormal, as from excitement.
   1913 webster
see also:
palpitated palpitating palpable 

[2] : The Collaborative International Dictionary of English v.0.48

palpitating \palpitating\ adj.
   beating irregularly; -- of the heart.

   syn: palpitant.
        wordnet 1.5

[3] : WordNet (r) 2.0

palpitating
     adj : having a slight and rapid trembling motion; "palpitant
           movements rather than violent eruptions"; "my
           palpitating heart" syn: palpitant
see also:
palpitant 

Palpitating >> P Words
Palpitating, definition of term: Palpitating
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