What does bellisonus mean in Latin?

bellisonus, a adjective, means “sounding of war”.

How do you pronounce bellisonus?

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

adjectivefirst/second-declension adjective

bellisonus (feminine bellisona, neuter bellisonum)

Classical[bɛlˈlɪ.sɔ.nʊs]Ecclesiastical[belˈliː.s̬o.nus]

singular
form	masculine	feminine	neuter
nominative	bellisonus	bellisona	bellisonum
genitive	bellisonī	bellisonae	bellisonī
dative	bellisonō	bellisonae	bellisonō
accusative	bellisonum	bellisonam	bellisonum
ablative	bellisonō	bellisonā	bellisonō
vocative	bellisone	bellisona	bellisonum

plural
form	masculine	feminine	neuter
nominative	bellisonī	bellisonae	bellisona
genitive	bellisonōrum	bellisonārum	bellisonōrum
dative	bellisonīs	bellisonīs	bellisonīs
accusative	bellisonōs	bellisonās	bellisona
ablative	bellisonīs	bellisonīs	bellisonīs
vocative	bellisonī	bellisonae	bellisona

bellĭsŏnus, a, um, adj. bellum-sono,

I. sounding of war: flumen, Paul. Nol. Natal. S. Fel. 8, 23 fin.

From bellum (“war”) + -sonus (“sounding”).