What does Argōus mean in Latin?

Argōus, a adjective, means “of or pertaining to, specifically the Argo, or generally the Argonauts”.

How do you pronounce Argōus?

In classical Latin, [arˈɡoː.ʊs]; in ecclesiastical (church) Latin, [arˈɡɔː.us].

adjectivefirst/second-declension adjective

Argōus (feminine Argōa, neuter Argōum)

Classical[arˈɡoː.ʊs]Ecclesiastical[arˈɡɔː.us]

singular
form	masculine	feminine	neuter
nominative	Argōus	Argōa	Argōum
genitive	Argōī	Argōae	Argōī
dative	Argōō	Argōae	Argōō
accusative	Argōum	Argōam	Argōum
ablative	Argōō	Argōā	Argōō
vocative	Argōe	Argōa	Argōum

plural
form	masculine	feminine	neuter
nominative	Argōī	Argōae	Argōa
genitive	Argōōrum	Argōārum	Argōōrum
dative	Argōīs	Argōīs	Argōīs
accusative	Argōōs	Argōās	Argōa
ablative	Argōīs	Argōīs	Argōīs
vocative	Argōī	Argōae	Argōa

Argōus, a, um, adj., v. Argo

I. fin.

Borrowed from Ancient Greek Ἀργῷος (Argōîos).