A sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ. / A violent, excruciating seizure of pain. / A sudden and temporary burst of energy, activity, or emotion.

To produce and undergo a spasm or series of spasms.

plural of spasm

Third-person singular simple present indicative form of spasm

simple past tense and past participle of spasm

present participle of spasm

A spasm.

plural of spasming

plural of cadaveric spasm

(pathology) A rare form of muscular stiffening that occurs at the moment of death and persists into the period of rigor mortis.