What does ōridūrius mean in Latin?

ōridūrius, a adjective, means “hard-mouthed”.

How do you pronounce ōridūrius?

In classical Latin, [ˈduː.rʊs]; in ecclesiastical (church) Latin, [ˈduː.rus].

adjectivefirst/second-declension adjective

ōridūrius (feminine ōridūria, neuter ōridūrium)

Classical[ˈduː.rʊs]Ecclesiastical[ˈduː.rus]

singular
form	masculine	feminine	neuter
nominative	ōridūrius	ōridūria	ōridūrium
genitive	ōridūriī	ōridūriae	ōridūriī
dative	ōridūriō	ōridūriae	ōridūriō
accusative	ōridūrium	ōridūriam	ōridūrium
ablative	ōridūriō	ōridūriā	ōridūriō
vocative	ōridūrie	ōridūria	ōridūrium

plural
form	masculine	feminine	neuter
nominative	ōridūriī	ōridūriae	ōridūria
genitive	ōridūriōrum	ōridūriārum	ōridūriōrum
dative	ōridūriīs	ōridūriīs	ōridūriīs
accusative	ōridūriōs	ōridūriās	ōridūria
ablative	ōridūriīs	ōridūriīs	ōridūriīs
vocative	ōridūriī	ōridūriae	ōridūria

ōrĭdūrĭus, a, um, adj. 1. os-durus,

I. hard-mouthed, of horses: oridurius, σκληρόστομος, Gloss. Philox.

From ōs (“mouth”) + dūrus (“hard”).