What does rubricostus mean in Latin?

rubricostus, a adjective, means “having red ribs”.

How do you pronounce rubricostus?

In classical Latin, [rʊ.brɪˈkɔs.tʊs]; in ecclesiastical (church) Latin, [ru.briˈkɔs.tus].

adjectivefirst/second-declension adjective

rubricostus (feminine rubricosta, neuter rubricostum)

Classical[rʊ.brɪˈkɔs.tʊs]Ecclesiastical[ru.briˈkɔs.tus]

singular
form	masculine	feminine	neuter
nominative	rubricostus	rubricosta	rubricostum
genitive	rubricostī	rubricostae	rubricostī
dative	rubricostō	rubricostae	rubricostō
accusative	rubricostum	rubricostam	rubricostum
ablative	rubricostō	rubricostā	rubricostō
vocative	rubricoste	rubricosta	rubricostum

plural
form	masculine	feminine	neuter
nominative	rubricostī	rubricostae	rubricosta
genitive	rubricostōrum	rubricostārum	rubricostōrum
dative	rubricostīs	rubricostīs	rubricostīs
accusative	rubricostōs	rubricostās	rubricosta
ablative	rubricostīs	rubricostīs	rubricostīs
vocative	rubricostī	rubricostae	rubricosta

New Latin; from ruber (“red”) + costa (“rib”), changed to the first and second declension.