convulsing
Webster's Dictionary (GCIDE)
Convulse \Con*vulse"\, v. t. [imp. & p. p. Convulsed; p. pr. & vb. n. Convulsing.] [L. convulsus, p. p. of convellere to tear up, to shake; con- + vellere to pluck, pull.]
1.To contract violently and irregulary, as the muscular parts of an animal body; to shake with irregular spasms, as in excessive laughter, or in agony from grief or pain. [1913 Webster]
With emotions which checked his voice and convulsed his powerful frame.— Macaulay.[1913 Webster]
2.To agitate greatly; to shake violently. [1913 Webster]
The world is convulsed by the agonies of great nations.— Macaulay.
Syn: To agitate; disturb; shake; tear; rend. [1913 Webster]