cachinnate

[ kak-uh-neyt ]
/ ˈkæk əˌneɪt /

verb (used without object), cach·in·nat·ed, cach·in·nat·ing.

to laugh loudly or immoderately.

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Origin of cachinnate

1815–25; < Latin cachinnātus (past participle of cachinnāre to laugh aloud, laugh immoderately), equivalent to cachinn- laugh aloud + -ātus -ate1

OTHER WORDS FROM cachinnate

cach·in·na·tion, nouncach·in·na·tor, nouncach·in·na·to·ry [kak-uh-nuh-tawr-ee, -tohr-ee, kuh-kin-uh-] /ˈkæk ə nəˌtɔr i, -ˌtoʊr i, kəˈkɪn ə-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for cachinnate

British Dictionary definitions for cachinnate

cachinnate
/ (ˈkækɪˌneɪt) /

verb

(intr) to laugh loudly

Derived forms of cachinnate

cachinnatory, adjective

Word Origin for cachinnate

C19: from Latin cacchināre, probably of imitative origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012