What does chalybeus mean in Latin?

chalybeus, a adjective, means “having the colour of (tempered) steel”.

How do you pronounce chalybeus?

In classical Latin, [kʰaˈly.be.ʊs]; in ecclesiastical (church) Latin, [kaˈliː.be.us].

adjectivefirst/second-declension adjective

chalybeus (feminine chalybea, neuter chalybeum)

Classical[kʰaˈly.be.ʊs]Ecclesiastical[kaˈliː.be.us]

singular
form	masculine	feminine	neuter
nominative	chalybeus	chalybea	chalybeum
genitive	chalybeī	chalybeae	chalybeī
dative	chalybeō	chalybeae	chalybeō
accusative	chalybeum	chalybeam	chalybeum
ablative	chalybeō	chalybeā	chalybeō
vocative	chalybee	chalybea	chalybeum

plural
form	masculine	feminine	neuter
nominative	chalybeī	chalybeae	chalybea
genitive	chalybeōrum	chalybeārum	chalybeōrum
dative	chalybeīs	chalybeīs	chalybeīs
accusative	chalybeōs	chalybeās	chalybea
ablative	chalybeīs	chalybeīs	chalybeīs
vocative	chalybeī	chalybeae	chalybea

From Chalybēs + -eus.