meaning of convulsion
1.  An unnatural, violent, and unvoluntary contraction of the muscular parts of an animal body. 
2.  Any violent and irregular motion or agitation; a violent shaking; a tumult; a commotion. 
3.  a physical disturbance such as an earthquake or upheaval
						 
Related Words
convulsion | convulsional | convulsionary | convulsionist |
