What does uternam mean in Latin?

uternam, a adjective, means “which ever of the two”.

How do you pronounce uternam?

In classical Latin, [ʊˈtɛr.nãː]; in ecclesiastical (church) Latin, [uˈtɛr.nam].

adjectivefirst/second-declension adjective (nominative masculine singular in -er, pronominal declension) with an indeclinable portion

uternam (feminine utranam, neuter utrumnam)

Classical[ʊˈtɛr.nãː]Ecclesiastical[uˈtɛr.nam]

Medieval LatinNew Latinadjectiveinterrogativewhich ever of the two
Utrũnam interꝛogatiuũ eſt ⁊ habet nam ſyllabice.⁊ acuit penultimam.[1483, Ianuensis Johannes, Vocabularous Catholicon, Impensis anthonij koburger:
[p. 17, l. 33] Præterea utronam ſit modo. [p. 24, l. 57] At nos ut percipiamus utronam modo res ſeſe habeat: accipiamus oportet quid ipſum nomen ſignificat.1496, v384-v322 Aristoteles, Johannes (Argyropulus), edited by Democritus, Hoc in uolumine continentur infrascripta opera Aristotelis uidelicet: in principio Vita eiusdem, per Gregoriu[m] de Gregoriis expensis Benedicti Fontanae:

singular
form	masculine	feminine	neuter
nominative	in -er uternam	utranam	utrumnam
genitive	utrī̆usnam	utrī̆usnam	utrī̆usnam
dative	utrīnam	utrīnam	utrīnam
accusative	utrumnam	utramnam	utrumnam
ablative	utrōnam	utrānam	utrōnam
vocative	uternam	utranam	utrumnam

plural
form	masculine	feminine	neuter
nominative	utrīnam	utraenam	utranam
genitive	utrōrumnam	utrārumnam	utrōrumnam
dative	utrīsnam	utrīsnam	utrīsnam
accusative	utrōsnam	utrāsnam	utranam
ablative	utrīsnam	utrīsnam	utrīsnam
vocative	utrīnam	utraenam	utranam

From uter + -nam.