What does quadrifolius mean in Latin?

quadrifolius, a adjective, means “four-leafed”.

How do you pronounce quadrifolius?

In classical Latin, [kʷa.drɪˈfɔ.li.ʊs]; in ecclesiastical (church) Latin, [kʷa.driˈfɔː.li.us].

adjectivefirst/second-declension adjective

quadrifolius (feminine quadrifolia, neuter quadrifolium)

Classical[kʷa.drɪˈfɔ.li.ʊs]Ecclesiastical[kʷa.driˈfɔː.li.us]

singular
form	masculine	feminine	neuter
nominative	quadrifolius	quadrifolia	quadrifolium
genitive	quadrifoliī	quadrifoliae	quadrifoliī
dative	quadrifoliō	quadrifoliae	quadrifoliō
accusative	quadrifolium	quadrifoliam	quadrifolium
ablative	quadrifoliō	quadrifoliā	quadrifoliō
vocative	quadrifolie	quadrifolia	quadrifolium

plural
form	masculine	feminine	neuter
nominative	quadrifoliī	quadrifoliae	quadrifolia
genitive	quadrifoliōrum	quadrifoliārum	quadrifoliōrum
dative	quadrifoliīs	quadrifoliīs	quadrifoliīs
accusative	quadrifoliōs	quadrifoliās	quadrifolia
ablative	quadrifoliīs	quadrifoliīs	quadrifoliīs
vocative	quadrifoliī	quadrifoliae	quadrifolia

New Latin; from quadri (“square”) + folium (“leaf”).