What does Ligurīnus mean in Latin?

Ligurīnus, a adjective, means “Ligurian”.

How do you pronounce Ligurīnus?

In classical Latin, [lɪ.ɡʊˈriː.nʊs]; in ecclesiastical (church) Latin, [li.ɡuˈriː.nus].

adjectivefirst/second-declension adjective

Ligurīnus (feminine Ligurīna, neuter Ligurīnum)

Classical[lɪ.ɡʊˈriː.nʊs]Ecclesiastical[li.ɡuˈriː.nus]

singular
form	masculine	feminine	neuter
nominative	Ligurīnus	Ligurīna	Ligurīnum
genitive	Ligurīnī	Ligurīnae	Ligurīnī
dative	Ligurīnō	Ligurīnae	Ligurīnō
accusative	Ligurīnum	Ligurīnam	Ligurīnum
ablative	Ligurīnō	Ligurīnā	Ligurīnō
vocative	Ligurīne	Ligurīna	Ligurīnum

plural
form	masculine	feminine	neuter
nominative	Ligurīnī	Ligurīnae	Ligurīna
genitive	Ligurīnōrum	Ligurīnārum	Ligurīnōrum
dative	Ligurīnīs	Ligurīnīs	Ligurīnīs
accusative	Ligurīnōs	Ligurīnās	Ligurīna
ablative	Ligurīnīs	Ligurīnīs	Ligurīnīs
vocative	Ligurīnī	Ligurīnae	Ligurīna

By surface analysis, Liguria + -īnus.