What does Thaumas mean in Latin?

Thaumas, a proper noun, means “the father of Iris”.

proper noun

Thaumas

Thaumas, antis, m., = Θαύμας,

I. the father of Iris, Cic. N. D. 3, 20, 51.—Hence,

A. Thaumantēus, a, um, adj., of or belonging to Thaumas, Thaumantian: virgo, i. e. Iris, Ov. M. 14, 845.—

B. Thauman-tĭăs, ădis, f., daughter of Thaumas: Iris, Ov. M. 4, 480; called also simply Thaumantias, Verg. A. 9, 5; Val. Fl. 8, 115.—

C. Thau-mantis, ĭdis, f., the daughter of Thaumas: Iris, Ov. M. 11, 647.