What does Cassiopicus mean in Latin?

Cassiopicus, a adjective, means “of or belonging to Cassiope”.

How do you pronounce Cassiopicus?

In classical Latin, [kas.siˈɔ.pɪ.kʊs]; in ecclesiastical (church) Latin, [kas.siˈɔː.pi.kus].

adjectivefirst/second-declension adjective

Cassiopicus (feminine Cassiopica, neuter Cassiopicum)

Classical[kas.siˈɔ.pɪ.kʊs]Ecclesiastical[kas.siˈɔː.pi.kus]

singular
form	masculine	feminine	neuter
nominative	Cassiopicus	Cassiopica	Cassiopicum
genitive	Cassiopicī	Cassiopicae	Cassiopicī
dative	Cassiopicō	Cassiopicae	Cassiopicō
accusative	Cassiopicum	Cassiopicam	Cassiopicum
ablative	Cassiopicō	Cassiopicā	Cassiopicō
vocative	Cassiopice	Cassiopica	Cassiopicum

plural
form	masculine	feminine	neuter
nominative	Cassiopicī	Cassiopicae	Cassiopica
genitive	Cassiopicōrum	Cassiopicārum	Cassiopicōrum
dative	Cassiopicīs	Cassiopicīs	Cassiopicīs
accusative	Cassiopicōs	Cassiopicās	Cassiopica
ablative	Cassiopicīs	Cassiopicīs	Cassiopicīs
vocative	Cassiopicī	Cassiopicae	Cassiopica

From Cassiopē + -icus (suffix forming an adjective).