LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Lāius

Lāius m sg (genitive Lāiī or Lāī)
Classical[ˈɫaː.jʊs]Ecclesiastical[ˈlaː.jus]

Meaning

  1. GreekLaius

Declension

declension
formsingularplural
nominativeLāius—
genitiveLāiī
Lāī
—
dativeLāiō—
accusativeLāium—
ablativeLāiō—
vocativeLāī—

Lāĭus or Lajus, i (voc. Lai, Stat. Th. 7, 355), m., = Λάιος,
I. son of Labdacus, king of Thebes, and father of Œdipus, Cic. Tusc. 4, 33, 71; id. Fat. 13, 30; Stat. Th. 2, 7; 66. —Hence, Lāĭădes, ae, m., a male descendant of Laius, i. e. Œdipus, Ov. M. 7, 759.

Origins

Borrowed from Ancient Greek Λάϊος (Láïos).

In the Academy Smith's classical dictionaries

Quick answers

What does Lāius mean in Latin?
Lāius, a proper noun, means “Laius”.
What is the genitive of Lāius?
The genitive singular is Lāiī. Lāius is masculine, second declension.
How do you pronounce Lāius?
In classical Latin, [ˈɫaː.jʊs]; in ecclesiastical (church) Latin, [ˈlaː.jus].