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cachinnate

 - 2 dictionary results

cach⋅in⋅nate

  [kak-uh-neyt]
Use cachinnate in a Sentence
–verb (used without object), -nat⋅ed, -nat⋅ing.
to laugh loudly or immoderately.
Origin:
1815–25; < L cachinnātus (ptp. of cachinnāre to laugh aloud, laugh immoderately), equiv. to cachinn- laugh aloud + -ātus -ate 1

Related forms:
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-] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To cachinnate
cach·in·nate   (kāk'ə-nāt')   
intr.v.   cach·in·nat·ed, cach·in·nat·ing, cach·in·nates
To laugh hard, loudly, or convulsively; guffaw.

[Latin cachinnāre, cachinnāt-, of imitative origin.]
cach'in·na'tion n., cach'in·na'tor n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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