LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

nigricostus

nigricostus (feminine nigricosta, neuter nigricostum)
Classical[nɪ.ɡrɪˈkɔs.tʊs]Ecclesiastical[ni.ɡriˈkɔs.tus]

Meaning

  1. New Latinadjectivehaving black ribs

Declension

singular
formmasculinefeminineneuter
nominativenigricostusnigricostanigricostum
genitivenigricostīnigricostaenigricostī
dativenigricostōnigricostaenigricostō
accusativenigricostumnigricostamnigricostum
ablativenigricostōnigricostānigricostō
vocativenigricostenigricostanigricostum
plural
formmasculinefeminineneuter
nominativenigricostīnigricostaenigricosta
genitivenigricostōrumnigricostārumnigricostōrum
dativenigricostīsnigricostīsnigricostīs
accusativenigricostōsnigricostāsnigricosta
ablativenigricostīsnigricostīsnigricostīs
vocativenigricostīnigricostaenigricosta

Origins

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

Quick answers

What does nigricostus mean in Latin?
nigricostus, a adjective, means “having black ribs”.
How do you pronounce nigricostus?
In classical Latin, [nɪ.ɡrɪˈkɔs.tʊs]; in ecclesiastical (church) Latin, [ni.ɡriˈkɔs.tus].