Lewis Short
(verb) : căchinno, āvi, ātum, 1, like καχάζω or καγχάζω; Sanscr. kakk; and our titter, onomatop.
* To laugh aloud, laugh immoderately.
* Lit. (class. but rare): famulae furtim cachinnant,Lucr. 4, 1176; 1, 919; 2, 976: ridere convivae; cachinnare ipse Apronius,Cic. Verr. 2, 3, 25, § 62; Suet. Vesp. 5; Aur. Vict. Epit. 28.—With the acc. of that which one laughs at: exitum meum cachinnant,App. M. 3, p. 132, 25.—*
* Poet. (v. Liddell and Scott under καχλάζω, γέλως, γέλασμα, and Blomfield. Aesch. Prom. 90) of the sea, to plash, ripple, roar: suavisona echo crepitu clangente cachinnat, Att. ap. Non. p. 463, 16 (Trag. Rel. v. 572 Rib.).
Charlton T. Lewis, Charles Short, A Latin Dictionary
Lewis Short
căchinno (noun M) : 1. cachinno
* One who laughs violently, a laugher, derider, καγχαστής, Pers. 1, 12.
Charlton T. Lewis, Charles Short, A Latin Dictionary