An intense, paroxysmal, involuntary muscular contraction.
An uncontrolled fit, as of laughter; a paroxysm.
Violent turmoil.
A sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ.
A sudden and temporary burst of energy, activity, or emotion.
A violent, excruciating seizure of pain.
To produce and undergo a spasm or series of spasms.