LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

petrōsa

petrōsa n pl (genitive petrōsōrum)
Classical[pɛˈtroː.sa]Ecclesiastical[peˈtrɔː.s̬a]

Meaning

  1. rocky places

Latīnē defined in Latin in our graded readers

Declension

declension
formsingularplural
nominative—petrōsa
genitive—petrōsōrum
dative—petrōsīs
accusative—petrōsa
ablative—petrōsīs
vocative—petrōsa

Origins

From neuter plural of petrōsus (“full of rocks, rocky”).

Quick answers

What does petrōsa mean in Latin?
petrōsa, a noun, means “rocky places”.
What is the genitive of petrōsa?
The genitive singular is petrōsōrum. petrōsa is neuter, second declension.
How do you pronounce petrōsa?
In classical Latin, [pɛˈtroː.sa]; in ecclesiastical (church) Latin, [peˈtrɔː.s̬a].