Spasm

Webster's Practical Dictionary- A Practical Dictionary of the Englih Language · 1884 · p. 413

spazm, re. (Med.) An involuntary and abnormal contraction of one or more muscles or muscular fibers. A sudden, violent, and perhaps fruitle effort. — Spasmodic, -ical,-mod1k-al, a. Relating to, or consisting in, spasm; soon relaxed or exhausted; convulsive. — Spasmodic, re. (Med.) A medicine good for removing spasm; an anti-spasmodic.