What does datārius mean in Latin?

datārius, a adjective, means “That is to be given away”.

How do you pronounce datārius?

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

adjectivefirst/second-declension adjective

datārius (feminine datāria, neuter datārium)

Classical[daˈtaː.ri.ʊs]Ecclesiastical[daˈtaː.ri.us]

singular
form	masculine	feminine	neuter
nominative	datārius	datāria	datārium
genitive	datāriī	datāriae	datāriī
dative	datāriō	datāriae	datāriō
accusative	datārium	datāriam	datārium
ablative	datāriō	datāriā	datāriō
vocative	datārie	datāria	datārium

plural
form	masculine	feminine	neuter
nominative	datāriī	datāriae	datāria
genitive	datāriōrum	datāriārum	datāriōrum
dative	datāriīs	datāriīs	datāriīs
accusative	datāriōs	datāriās	datāria
ablative	datāriīs	datāriīs	datāriīs
vocative	datāriī	datāriae	datāria

dătārĭus, a, um, adj. do,

I. to be given away (a comic word): nulla est mihi salus dataria, I have no salutation to give away, Plaut. Ps. 4, 2, 13.