What does congregātīvus mean in Latin?

congregātīvus, a adjective, means “suitable for uniting or congregating; copulative”.

How do you pronounce congregātīvus?

In classical Latin, [kɔŋ.ɡrɛ.ɡaːˈtiː.wʊs]; in ecclesiastical (church) Latin, [koŋ.ɡre.ɡaˈtiː.vus].

adjectivefirst/second-declension adjective

congregātīvus (feminine congregātīva, neuter congregātīvum)

Classical[kɔŋ.ɡrɛ.ɡaːˈtiː.wʊs]Ecclesiastical[koŋ.ɡre.ɡaˈtiː.vus]

singular
form	masculine	feminine	neuter
nominative	congregātīvus	congregātīva	congregātīvum
genitive	congregātīvī	congregātīvae	congregātīvī
dative	congregātīvō	congregātīvae	congregātīvō
accusative	congregātīvum	congregātīvam	congregātīvum
ablative	congregātīvō	congregātīvā	congregātīvō
vocative	congregātīve	congregātīva	congregātīvum

plural
form	masculine	feminine	neuter
nominative	congregātīvī	congregātīvae	congregātīva
genitive	congregātīvōrum	congregātīvārum	congregātīvōrum
dative	congregātīvīs	congregātīvīs	congregātīvīs
accusative	congregātīvōs	congregātīvās	congregātīva
ablative	congregātīvīs	congregātīvīs	congregātīvīs
vocative	congregātīvī	congregātīvae	congregātīva

congrĕgātīvus, a, um, adj. id.,

I. suitable for uniting or congregating, copulative: adverbia (simul, una, pariter, etc.), Prisc. p. 1021 P.

From congregō (“to gather into a flock”) + īvus.