What does ūnisonus mean in Latin?

ūnisonus, a adjective, means “having a single sound, unisonous, unisonant”.

How do you pronounce ūnisonus?

In classical Latin, [uːˈnɪ.sɔ.nʊs]; in ecclesiastical (church) Latin, [uˈniː.s̬o.nus].

Proto-Indo-European *ís? → Proto-Indo-European *h₁óynos → Proto-Italic *oinos → Old Latin oinos → Latin ūnisonus.

adjectivefirst/second-declension adjective

ūnisonus (feminine ūnisona, neuter ūnisonum)

Classical[uːˈnɪ.sɔ.nʊs]Ecclesiastical[uˈniː.s̬o.nus]

singular
form	masculine	feminine	neuter
nominative	ūnisonus	ūnisona	ūnisonum
genitive	ūnisonī	ūnisonae	ūnisonī
dative	ūnisonō	ūnisonae	ūnisonō
accusative	ūnisonum	ūnisonam	ūnisonum
ablative	ūnisonō	ūnisonā	ūnisonō
vocative	ūnisone	ūnisona	ūnisonum

plural
form	masculine	feminine	neuter
nominative	ūnisonī	ūnisonae	ūnisona
genitive	ūnisonōrum	ūnisonārum	ūnisonōrum
dative	ūnisonīs	ūnisonīs	ūnisonīs
accusative	ūnisonōs	ūnisonās	ūnisona
ablative	ūnisonīs	ūnisonīs	ūnisonīs
vocative	ūnisonī	ūnisonae	ūnisona

Latin -sonus Latin ūnisonus From ūnus (“one”) + -sonus (“sounding”).