cachinnating meaning in Hindi

Examples

1. Thus, in a suburban setting, four white and two African American characters say and do stupid, bigoted and impolitic things that are supposed to make us cogitate and cachinnate at the same time.
2. A Generation X slacker in his thirties would make demands of his grandmother, played by Engel, and the grandmother would cachinnate, and ask, " What do you think this is, the Holiday Inn ?"