LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Acīlius1

Acīlius m (genitive Acīliī or Acīlī)
Classical[aˈkiː.li.ʊs]Ecclesiastical[aˈt͡ʃiː.li.us]

Meaning

  1. The name of a Roman gens, famously held by
  2. Gaius Acilius (a Roman historian and senator)

Declension

declension
formsingularplural
nominativeAcīliusAcīliī
genitiveAcīliī
Acīlī
Acīliōrum
dativeAcīliōAcīliīs
accusativeAcīliumAcīliōs
ablativeAcīliōAcīliīs
vocativeAcīlīAcīliī

Ăcīlĭus, i, m.,
I. the name of several Romans, among whom was M' Acilius Glabrio, trib. pleb., by whom the severe law de pecuniis repetundis was introduced, Cic. Verr. 1, 9 and 17.—C. Acilius Glabrio, the historian, Cic. Off. 3, 32, 115.—Hence, ăcīlĭus, a, um, adj., Acilian: lex, Cic. Verr. 1, 1.

Origins

From the gens Acilia, of uncertain origin (see Acilia gens). Perhaps derived from acilis (“sharp, keen”), from acus with the gentile-forming suffix -ius.

adjectivefirst/second-declension adjective
Acīlius2
Acīlius (feminine Acīlia, neuter Acīlium)
Classical[aˈkiː.li.ʊs]Ecclesiastical[aˈt͡ʃiː.li.us]

Meaning

  1. adjectiveAcilian (of or pertaining to the Acilia gens)

Declension

singular
formmasculinefeminineneuter
nominativeAcīliusAcīliaAcīlium
genitiveAcīliīAcīliaeAcīliī
dativeAcīliōAcīliaeAcīliō
accusativeAcīliumAcīliamAcīlium
ablativeAcīliōAcīliāAcīliō
vocativeAcīlieAcīliaAcīlium
plural
formmasculinefeminineneuter
nominativeAcīliīAcīliaeAcīlia
genitiveAcīliōrumAcīliārumAcīliōrum
dativeAcīliīsAcīliīsAcīliīs
accusativeAcīliōsAcīliāsAcīlia
ablativeAcīliīsAcīliīsAcīliīs
vocativeAcīliīAcīliaeAcīlia

Origins

From the gens Acilia, of uncertain origin (see Acilia gens). Perhaps derived from acilis (“sharp, keen”), from acus with the gentile-forming suffix -ius.

Quick answers

What does Acīlius mean in Latin?
Acīlius, a proper noun, means “The name of a Roman gens, famously held by”.
What is the genitive of Acīlius?
The genitive singular is Acīliī. Acīlius is masculine, second declension.
How do you pronounce Acīlius?
In classical Latin, [aˈkiː.li.ʊs]; in ecclesiastical (church) Latin, [aˈt͡ʃiː.li.us].