LATIN DICTIONARYLexicon Latīnum
noun · masculinesecond declension

cachinnus

cachinnus m (genitive cachinnī)
Classical[kaˈkʰɪn.nʊs]Ecclesiastical[kaˈkin.nus]

Meaning

  1. masculineloud laughter, horselaugh, guffaw
    Salvē, ō venusta Sirmiō, atque erō gaude gaudente; vōsque, ō Lȳdiae lacūs undae,Greetings, lovely Sirmio, and rejoice for your master rejoicing; and you, oh waves of the Lydian lake, laugh whatever there is at home for laughter.c. 84 BCE – 54 BCE, Catullus, Carmina 31.12–14
  2. masculinepoeticflashing, roaring (of the sea)

Declension

declension
formsingularplural
nominativecachinnuscachinnī
genitivecachinnīcachinnōrum
dativecachinnōcachinnīs
accusativecachinnumcachinnōs
ablativecachinnōcachinnīs
vocativecachinnecachinnī

Phrases from Meissner's Latin Phrase-Book

cachinnum tollere, edere
to burst into a roar of laughter.

căchinnus, i, m. id.,
I. a loud laugh, immoderate laughter, a laugh in derision, a jeering.
I. Lit. (class in prose and poetry; also in plur.): tum dulces esse cachinni consuerant, Lucr. 5, 1396; so id. 5, 1402: in quo Alcibiades cachinnum dicitur sustulisse, to have set up a loud laugh, Cic. Fat. 5, 10; Suet. Aug. 98: tollere, Hor. A. P. 113: cachinnos irridentium commovere, Cic. Brut. 60, 216: res digna tuo cachinno, Cat. 56, 2; 31, 14; 13, 5: securus, Col. 10, 280: perversus, Ov. A. A. 3, 287: major, Juv. 3, 100; 11, 2: rigidus, id. 10, 31: temulus, Pers. 3, 87: effusus in cachinnos, Suet. Calig. 32: cachinnum edere, id. ib. 57: cachinnos revocare, id. Claud. 41.—*
II. Poet., of the sea (cf. 1, cachinno, II.), a plashing, rippling, roaring: leni resonant plangore cachinni, Cat. 64, 273 (cf. Aesch. Prom. 90' ποντίων τε κυμάτων ὐνήριθμον γέλασμα).

Origins

Of imitative origin. Compare Sanskrit खक्खति (khakkhati, “to laugh, to cackle”).

Descendants
  • Italiancachinno

In English words that came into English from cachinnus

  • cachinnatecachinnō

Quick answers

What does cachinnus mean in Latin?
cachinnus, a noun, means “loud laughter, horselaugh, guffaw; flashing, roaring (of the sea)”.
What is the genitive of cachinnus?
The genitive singular is cachinnī. cachinnus is masculine, second declension.
How do you pronounce cachinnus?
In classical Latin, [kaˈkʰɪn.nʊs]; in ecclesiastical (church) Latin, [kaˈkin.nus].