cachinnation
61laugh — [v] expressing amusement, happiness with sound be in stitches*, break up*, burst*, cachinnate, chortle, chuckle, convulsed*, crack up*, crow, die laughing*, fracture*, giggle, grin, guffaw, howl, roar, roll in the aisles*, scream, shriek, snicker …
62laughter — laugh [v] expressing amusement, happiness with sound be in stitches*, break up*, burst*, cachinnate, chortle, chuckle, convulsed*, crack up*, crow, die laughing*, fracture*, giggle, grin, guffaw, howl, roar, roll in the aisles*, scream, shriek,… …
63cachinnate — v.i. laugh harshly and loudly. ♦ cachinnation, ♦ cachinato, n. ♦ cachinatory, a …
64cachinnate — [kak′ə nāt΄] vi. cachinnated, cachinnating [< L cachinnatus, pp. of cachinnare: ult. of echoic orig.] to laugh loudly or too much cachinnation n …
65cachinnate — v.intr. literary laugh loudly. Derivatives: cachinnation n. cachinnatory adj. Etymology: L cachinnare cachinnat …