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cachinnate
cachinnate definition
cach·in·nate (kak′ə nāt′)
intransitive verb cachinnated -·nat′ed, cachinnating -·nat′·ing
to laugh loudly or too much
Etymology: < L cachinnatus, pp. of cachinnare: ult. of echoic orig.
Related Forms:
- cachinnation cach′·in·na′·tion noun
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