01 n. An unnatural, violent, and unvoluntary contraction of the muscular parts of an animal body.
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1.
An unnatural, violent, and unvoluntary contraction of the muscular parts of an animal body.(Med.)
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2.
Any violent and irregular motion or agitation; a violent shaking; a tumult; a commotion.“Those two massy pillars, With horrible convulsion, to and fro He tugged, he shook, till down they came.” — Milton.“Times of violence and convulsion.” — Ames.
Syn.
Agitation; commotion; tumult; disturbance.