What does Colossos mean in Latin?

Colossos, a noun, means “colossus, giant statue; Colossos of Nero”.

What is the genitive of Colossos?

The genitive singular is Colossī. Colossos is masculine, second declension.

In classical Latin, [kɔˈɫɔs.sɔs]; in ecclesiastical (church) Latin, [koˈlɔs.sos].

noun · masculinesecond declension

Colossos m sg (genitive Colossī)

Classical[kɔˈɫɔs.sɔs]Ecclesiastical[koˈlɔs.sos]

masculinesingularcolossus, giant statue
masculinesingularColossos of Nero
'Hac tu credideris longum ratione Colosson / et puerum Bruti dixeris esse brevem.''To that you' call the Neronian Colossos too tall / and Brutus' boy too small.86 CE – 103 CE, Martialis, Epigrammata 2.77

From Ancient Greek κολοσσός (kolossós, “large statue”), especially the Colossos of Nero.