convulsion

1 ENTRIES FOUND:
convulsion /kənˈvʌlʃən/ noun
plural convulsions
convulsion
/kənˈvʌlʃən/
noun
plural convulsions
Britannica Dictionary definition of CONVULSION
[count]
1 
a  medical : a sudden violent shaking of the muscles in your body that you are unable to control — usually plural
b  : a sudden experience of something (such as laughter) that shakes or moves your body — usually plural
2 
: a sudden change or disturbance that affects a country, organization, etc. — usually plural