cachinnate

[ kak-uh-neyt ]
/ ˈkæk əˌneɪt /

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

to laugh loudly or immoderately.

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, noun cach·in·na·tor, noun cach·in·na·to·ry [kak-uh-nuh-tawr-ee, -tohr-ee, kuh-kin-uh-] /ˈkæk ə nəˌtɔr i, -ˌtoʊr i, kəˈkɪn ə-/, adjective

Example sentences from the Web for cachinnation

British Dictionary definitions for cachinnation (1 of 2)

cachinnation
/ (ˌkækɪˈneɪʃən) /

noun

raucous laughter
psychiatry inappropriate laughter, sometimes found in schizophrenia

British Dictionary definitions for cachinnation (2 of 2)

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

Medical definitions for cachinnation

cachinnation
[ kăk′ə-nāshən ]

n.

Loud, hard, or compulsive laughter without apparent cause.