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English to English noun
| 1 |
a rapid and irregular heart beat |  | source: wordnet30
| 2 |
a shaky motion | | Example: the shaking of his fingers as he lit his pipe
source: wordnet30
| 3 |
A rapid pulsation; a throbbing; esp., an abnormal, rapid beating of the heart as when excited by violent exertion, strong emotion, or by disease. | | source: webster1913
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