Medical Dictionary
spasm
noun \ˈspaz-əm\
Medical Definition of SPASM
1
: an involuntary and abnormal contraction of muscle or muscle fibers or of a hollow organ (as an artery, the colon, or the esophagus) that consists largely of involuntary muscle fibers
2
: the state or condition of a muscle or organ affected with spasms <the renal artery went into spasm>
Seen & Heard
What made you want to look up spasm? Please tell us where you read or heard it (including the quote, if possible).