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Use "cachinnation" in a sentence
"The man began to laugh behind his moustaches, the which cachinnation was checked by an appealing look from the young lady; and he held out his hand and said,"
"A good stomp from the two-clown-long-horn followed by an "Oooohooowee my aching bunions!" used to raise roaring cachinnation."
"This is where you sit in a circle and go head-to-head in a singdown to see which parents know the most lyrics, which ones can fake their way through a song the best, and whose child can outdo all others in oscillating cachinnation dictionary.com."