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1. a slight tremor.
2. to tremble slightly, as from cold.
1. To shake or tremble, especially from cold.
2. A tremor; a slight chill.
shiver(shĭv′ĕr) [ME. chiveren]
1. Involuntary increased muscle activity in response to fear, onset of fever, or exposure to cold. The activity leads to increased heat production.
2. To tremble or shake.
involuntary shaking of the body, as with cold. It is caused by contraction or twitching of the muscles, and is a physiological method of heat production in all animals.