LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Ïolāus

Ïolāus m sg (genitive Ïolāī)
Classical[i.ɔˈɫaː.ʊs]Ecclesiastical[i.oˈlaː.us]

Meaning

  1. GreekTheban hero and nephew of Heracles

Declension

declension
formsingularplural
nominativeÏolāus—
genitiveÏolāī—
dativeÏolāō—
accusativeÏolāum—
ablativeÏolāō—
vocativeÏolāe—

Ĭŏlāŭs, i, m., = Ἰόλαος,
I. a son of Iphiclus, and constant companion of his uncle Hercules, Ov. M. 8, 310; 9, 399; 430.

Origins

Borrowed from Ancient Greek Ῐ̓όλᾱος (Ĭólāos).

In the Academy Smith's classical dictionaries

Biography & mythologyIolausIolaus (Ἰόλαος), a son of Iphicles and Automedusa, and consequently a relation of Heracles, whose faithful charioteer and companion he was. [HERACLES.…

Quick answers

What does Ïolāus mean in Latin?
Ïolāus, a proper noun, means “Theban hero and nephew of Heracles”.
What is the genitive of Ïolāus?
The genitive singular is Ïolāī. Ïolāus is masculine, second declension.
How do you pronounce Ïolāus?
In classical Latin, [i.ɔˈɫaː.ʊs]; in ecclesiastical (church) Latin, [i.oˈlaː.us].