What is the meaning of Convulse?

To suffer violent involuntary contractions of the muscles, causing one's body to contort.

To be beset by political or social upheaval.

To cause (someone) to suffer such contractions, especially as a result of making them laugh heartily.

feminine plural of convulso

vocative masculine singular of convulsus

inflection of convulsar:

1. first/third-person singular present subjunctive
2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

Source: wiktionary.org