LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

arietārius

arietārius (feminine arietāria, neuter arietārium)
Classical[a.ri.ɛˈtaː.ri.ʊs]Ecclesiastical[a.ri.eˈtaː.ri.us]

Meaning

  1. adjectiverelating to the battering ram
    is autem, quod tardos conatus habuerat, testudinem arietariam appellare coepit.Translation by Morris Hicky Morgan As the machine made but slow progress, he first gave it the name of the tortoise of the ram.Vitruvius Pollio, De Architectura 10.13

Declension

singular
formmasculinefeminineneuter
nominativearietāriusarietāriaarietārium
genitivearietāriīarietāriaearietāriī
dativearietāriōarietāriaearietāriō
accusativearietāriumarietāriamarietārium
ablativearietāriōarietāriāarietāriō
vocativearietāriearietāriaarietārium
plural
formmasculinefeminineneuter
nominativearietāriīarietāriaearietāria
genitivearietāriōrumarietāriārumarietāriōrum
dativearietāriīsarietāriīsarietāriīs
accusativearietāriōsarietāriāsarietāria
ablativearietāriīsarietāriīsarietāriīs
vocativearietāriīarietāriaearietāria

ărĭĕtārĭus, a, um, adj. aries,
I. relating to the battering-ram: machina ... testudo, Vitr. 10, 19.

Origins

* From ariēs (“ram”) + -ārius

Quick answers

What does arietārius mean in Latin?
arietārius, a adjective, means “relating to the battering ram”.
How do you pronounce arietārius?
In classical Latin, [a.ri.ɛˈtaː.ri.ʊs]; in ecclesiastical (church) Latin, [a.ri.eˈtaː.ri.us].