loud/excessive/boisterous/derisive laugh, guffaw; jeer; (applied to waves)
Latin word, found 29 times in the texts on Socratos.
Ovid, Ars Amatoria 3.287: Est, quae perverso distorqueat ora cachinno:
Catullus, Carmina lyrics.13.5: et vino et sale et omnibus cachinnis.
Horace, Ars Poetica 113: Romani tollent equites peditesque cachinnum.
All forms of cachinnus