LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Aventīnus

Aventīnus m sg (genitive Aventīnī)
Classical[a.wɛnˈtiː.nʊs]Ecclesiastical[a.venˈtiː.nus]

Meaning

  1. RomanA mythological king of Alba Longa, son of Romulus Silvius, father of Procas, great-great-grandfather of Romulus and Remus
  2. alternativealternative form of Aventīnus mons

In the readers how our graded readers gloss it

Declension

declension
formsingularplural
nominativeAventīnus—
genitiveAventīnī—
dativeAventīnō—
accusativeAventīnum—
ablativeAventīnō—
vocativeAventīne—
locativeAventīnī—

Ăventīnus, i, m.
I.A.. (Sc. mons.) The Aventine, one of the seven hills of Rome, extending from the Palatine to the Cœlian Mount; until the reign of Ancus Marcius, without the city proper, Cic. Rep. 2, 18; Sen. Brev. Vit. 14; Gell. 13, 4. The origin of the name is uncertain; acc. to Liv. 1, 3, 9, it was named from Aventinus, an Alban king buried there; other etymologies are given by Varr. L. L. 5, § 43 Müll.; cf. Serv. ad Verg. A. 7, 657, where, beside the etymologies given and referred to, another is given from Varro; cf. Creuz, Antiq. p. 23 sq.; Smith, Dict. Antiq.—Neutr.: Aventī-num, i, Liv. 1, 33, 1 and 5; 21, 62, 8.— Hence,
B. The adjj.,
1. ăventīnus, a, um, of Mount Aventine: cacumen, Ov. F 4, 816: jugum, id. ib. 3, 884: arx, id. ib. 6, 728: humus, id. ib. 6, 82: Remus, because he consulted the auspices there (therefore its summit was called Remuria; v. Remurinus), Prop. 5, 1, 50: Diana, because she had there an ancient and very distinguished temple, id. 5, 8, 29; cf. Hor. C. S. 69; Mart. 12, 18, 3; 7, 73, 1.—
2. ăven-tīnensis (Fest. s. v. nesi, p. 165 Müll.) or ăventīnĭensis (Val. Max. 7, 3, 1), e, of or belonging to Mount Aventine: Diana, who had a temple upon the Aventine Hill —
II. A son of Hercules, Verg. A. 7, 657.

Origins

See Aventīnus mons.

In the Academy Smith's classical dictionaries

Quick answers

What does Aventīnus mean in Latin?
Aventīnus, a proper noun, means “A mythological king of Alba Longa, son of Romulus Silvius, father of Procas, great-great-grandfather of Romulus and Remus; alternative form of Aventīnus mons”.
What is the genitive of Aventīnus?
The genitive singular is Aventīnī. Aventīnus is masculine, second declension.
How do you pronounce Aventīnus?
In classical Latin, [a.wɛnˈtiː.nʊs]; in ecclesiastical (church) Latin, [a.venˈtiː.nus].