cachinnate

verb
cach·​in·​nate | \ˈka-kə-ˌnāt \
cachinnated; cachinnating

Definition of cachinnate 

intransitive verb

: to laugh loudly or immoderately cachinnated till his sides must have ached— John Burroughs

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Other Words from cachinnate

cachinnation \ˌka-​kə-​ˈnā-​shən \ noun

Did You Know?

Cachinnate has been whooping it up in English since the 19th century. The word derives from the Latin verb cachinnare, meaning "to laugh loudly," and "cachinnare" was probably coined in imitation of a loud laugh. As such, "cachinnare" is much like the Old English "ceahhetan," the Old High German kachazzen, and the Greek kachazein - all words of imitative origin that essentially meant "to laugh loudly." Our word cackle has a different ancestor than any of these words (the Middle English "cakelen"), but this word, too, is believed to have been modeled after the sound of laughter.

First Known Use of cachinnate

1824, in the meaning defined above

History and Etymology for cachinnate

Latin cachinnatus, past participle of cachinnare, of imitative origin

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The first known use of cachinnate was in 1824

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