Spasm | Mean of spasm in English Dictionary

/ˈspæzəm/

• Noun
• a sudden uncontrolled and often painful tightening of a muscle
1. violent back spasms
2. a disease that causes muscle spasms
• a sudden and usually brief occurrence of something you cannot control
1. He was racked with coughing spasms.
2. She was suffering spasms of guilt.
3. spasms of joy/rage