What does Lacōnicus mean in Latin?

Lacōnicus, a adjective, means “Spartan”.

How do you pronounce Lacōnicus?

In classical Latin, [ɫaˈkoː.nɪ.kʊs]; in ecclesiastical (church) Latin, [laˈkɔː.ni.kus].

adjectivefirst/second-declension adjective

Lacōnicus (feminine Lacōnica, neuter Lacōnicum)

Classical[ɫaˈkoː.nɪ.kʊs]Ecclesiastical[laˈkɔː.ni.kus]

singular
form	masculine	feminine	neuter
nominative	Lacōnicus	Lacōnica	Lacōnicum
genitive	Lacōnicī	Lacōnicae	Lacōnicī
dative	Lacōnicō	Lacōnicae	Lacōnicō
accusative	Lacōnicum	Lacōnicam	Lacōnicum
ablative	Lacōnicō	Lacōnicā	Lacōnicō
vocative	Lacōnice	Lacōnica	Lacōnicum

plural
form	masculine	feminine	neuter
nominative	Lacōnicī	Lacōnicae	Lacōnica
genitive	Lacōnicōrum	Lacōnicārum	Lacōnicōrum
dative	Lacōnicīs	Lacōnicīs	Lacōnicīs
accusative	Lacōnicōs	Lacōnicās	Lacōnica
ablative	Lacōnicīs	Lacōnicīs	Lacōnicīs
vocative	Lacōnicī	Lacōnicae	Lacōnica

Charlton Lewis's shorter dictionary for students: the same scholarship in plain, modern definitions.

Lacōnicus adj.

, Λακωνικός, of Laconia, Laconian, Lacedaemonian: ager, L.: purpurae, H.— As subst n. (sc. balnium), a sweating-room, sweating-bath.

From Ancient Greek Λακωνικός (Lakōnikós, “Laconian”).