What does ostreārius mean in Latin?

ostreārius, a adjective, means “of or pertaining to oysters”.

How do you pronounce ostreārius?

In classical Latin, [ɔs.treˈaː.ri.ʊs]; in ecclesiastical (church) Latin, [os.treˈaː.ri.us].

adjectivefirst/second-declension adjective

ostreārius (feminine ostreāria, neuter ostreārium)

Classical[ɔs.treˈaː.ri.ʊs]Ecclesiastical[os.treˈaː.ri.us]

singular
form	masculine	feminine	neuter
nominative	ostreārius	ostreāria	ostreārium
genitive	ostreāriī	ostreāriae	ostreāriī
dative	ostreāriō	ostreāriae	ostreāriō
accusative	ostreārium	ostreāriam	ostreārium
ablative	ostreāriō	ostreāriā	ostreāriō
vocative	ostreārie	ostreāria	ostreārium

plural
form	masculine	feminine	neuter
nominative	ostreāriī	ostreāriae	ostreāria
genitive	ostreāriōrum	ostreāriārum	ostreāriōrum
dative	ostreāriīs	ostreāriīs	ostreāriīs
accusative	ostreāriōs	ostreāriās	ostreāria
ablative	ostreāriīs	ostreāriīs	ostreāriīs
vocative	ostreāriī	ostreāriae	ostreāria

ostrĕārĭus, a, um, adj. ostrea,

I. of or belonging to oysters, oyster- (post-Aug.): panis, oyster-bread, bread eaten with oysters, Plin. 18, 11, 27, § 105.—

II. Subst.: ostrĕā-rĭum, ii, n., an oyster-bed, Plin. 9, 51, 74, § 160: in Baiano locare, Macr. S. 2, 11.

Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -ārius Latin ostreārius From ostrea (“oyster”) + -ārius.