- The definition of a spasm is a sudden and often involuntary feeling or movement, particularly a muscle contraction.
An example of a spasm is a sudden jerking of the knee.
spasm definition by Webster's New World
- a sudden, convulsive, involuntary muscular contraction: a is persistent and sustained, and a is one of a series of relatively brief contractions alternating with relaxations
- any sudden, violent, temporary activity, feeling, etc.
Origin: Middle English spasme ; from Middle French ; from Classical Latin spasmus ; from Classical Greek spasmos ; from span, to draw, pull, wrench: see span
spasm definition by American Heritage Dictionary
- A sudden, involuntary contraction of a muscle or group of muscles.
- A sudden burst of energy, activity, or emotion.
Origin: Middle English spasme, from Old French, from Latin spasmus, from Greek spasmos, from spān, to pull.
spasm - Medical Definition
- A sudden involuntary contraction of a muscle or group of muscles.
- A muscle spasm.