Convulsion
English Meaning
An unnatural, violent, and unvoluntary contraction of the muscular parts of an animal body.
- An intense, paroxysmal, involuntary muscular contraction.
- An uncontrolled fit, as of laughter; a paroxysm.
- Violent turmoil: "The market convulsions of the last few weeks have shaken the world” ( Felix Rohatyn).