What does russicus mean in Latin?

russicus, a adjective, means “Russian”.

How do you pronounce russicus?

In classical Latin, [ˈrʊs.sɪ.kʊs]; in ecclesiastical (church) Latin, [ˈrus.si.kus].

adjectivefirst/second-declension adjective

russicus (feminine russica, neuter russicum)

Classical[ˈrʊs.sɪ.kʊs]Ecclesiastical[ˈrus.si.kus]

singular
form	masculine	feminine	neuter
nominative	russicus	russica	russicum
genitive	russicī	russicae	russicī
dative	russicō	russicae	russicō
accusative	russicum	russicam	russicum
ablative	russicō	russicā	russicō
vocative	russice	russica	russicum

plural
form	masculine	feminine	neuter
nominative	russicī	russicae	russica
genitive	russicōrum	russicārum	russicōrum
dative	russicīs	russicīs	russicīs
accusative	russicōs	russicās	russica
ablative	russicīs	russicīs	russicīs
vocative	russicī	russicae	russica