IPA: //kæˈʃɪneɪt//
KK: /kæˈʃɪneɪt/
To laugh very loudly and uncontrollably.
During the comedy show, the audience began to cachinnate at the funniest jokes.
Past: cachinnated
Past Participle: cachinnated
Cachinnate → It is derived from the Latin word "cachinnare" (meaning to laugh loudly or to roar with laughter), which is a frequentative form of "cachinnus" (meaning a loud laugh). The word "cachinnate" means to laugh loudly or to roar with laughter.
Think of the Latin word for a loud laugh, 'cachinnus', to remember that 'cachinnate' means to laugh loudly.