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cachinnate

[kak-uh-neyt] /ˈkæk əˌneɪt/
verb (used without object), cachinnated, cachinnating.
1.
to laugh loudly or immoderately.
Origin
1815-1825
1815-25; < Latin cachinnātus (past participle of cachinnāre to laugh aloud, laugh immoderately), equivalent to cachinn- laugh aloud + -ātus -ate1
Related forms
cachinnation, noun
cachinnator, noun
cachinnatory
[kak-uh-nuh-tawr-ee, -tohr-ee, kuh-kin-uh-] /ˈkæk ə nəˌtɔr i, -ˌtoʊr i, kəˈkɪn ə-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for cachinnation

cachinnation

/ˌkækɪˈneɪʃən/
noun
1.
raucous laughter
2.
(psychiatry) inappropriate laughter, sometimes found in schizophrenia

cachinnate

/ˈkækɪˌneɪt/
verb
1.
(intransitive) to laugh loudly
Derived Forms
cachinnatory, adjective
Word Origin
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
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Word Origin and History for cachinnation
cachinnate
"to laugh loudly or immoderately," 1824, from L. cachinatum, pp. of cachinnare (see cachinnation).
cachinnation
"loud laughter," 1620s, from L. cachinnationem (nom. cachinatio), noun of action from cachinnare "to laugh immoderately or loudly," of imitative origin. Cf. Skt. kakhati "laughs," Gk. kakhazein "to laugh loudly," O.H.G. kachazzen, Eng. cackle, Arm. xaxanc'.
Online Etymology Dictionary, © 2010 Douglas Harper
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cachinnation in Medicine

cachinnation cach·in·na·tion (kāk'ə-nā'shən)
n.
Loud, hard, or compulsive laughter without apparent cause.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Word Value for cachinnation

19
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