adj. Consisting of, or accompanied by, immoderate laughter.
the GNU version of the Collaborative International Dictionary of English
adj. Consisting of, or accompanied by, immoderate laughter.
The Century Dictionary and Cyclopedia
Of or pertaining to cachinnation; relating to or consisting in loud laughter.
Word Usage
"Captain Morrill urbanely apologized to Mr. Glover, and engaged himself to make it right in the morning; whereupon Mr. Glover withdrew in cachinnatory convulsions."