Definition of "cachinnatory" []

• Consisting of, or accompanied by, immoderate laughter. (adjective)

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• "At length, by the enormous exertions the last duty imposed upon me, I sunk into a hopeless state of cachinnatory impotence: my risible muscles refused to perform their office, and I lost mine."
• "Captain Morrill urbanely apologized to Mr. Glover, and engaged himself to make it right in the morning; whereupon Mr. Glover withdrew in cachinnatory convulsions."
• "Sir, -- Seeing in the first number of your paper an announcement from Mr. Thomas Hood, that he was in want of a laugher, I beg to offer my services in that comic capacity, and to hand you my card and certificates of my cachinnatory powers."