Hypertext Webster Gateway: "palpitation"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Palpitation \Pal`pi*ta"tion\, n. [L. palpitatio: cf. F.
palpitation.]
A rapid pulsation; a throbbing; esp., an abnormal, rapid
beating of the heart as when excited by violent exertion,
strong emotion, or by disease.
From WordNet (r) 1.7 (wn)
palpitation
n 1: a rapid and irregular heart beat
2: a shaky motion; "the shaking of his fingers as he lit his
pipe" [syn: {shaking}, {shakiness}, {trembling}, {quiver},
{quivering}, {vibration}]
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