What is the Latin word for cachinnation?

The usual Latin words for “cachinnation” are cachinnus, cachinnātiō. The right choice depends on the sense; see the distinctions below.

English → Latin

“cachinnation” in Latin

cachinnusloud laughter, horselaugh, guffaw; flashing, roaring (of the sea)cachinnātiōimmoderate or boisterous laughter, horselaugh; jeering

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

cachinnation

cachinnus [Vid: LAUGHTER: loud and screaming laughter; as condition]: cachinnatio (Cic., Disputationes Tusculanae, 4, 31, 66; as action). Vid. LAUGH, s.

Quick answer

What is the Latin word for cachinnation?: The usual Latin words for “cachinnation” are cachinnus, cachinnātiō. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.