P / Petrĕus
adjective

Petrĕus

fem. Petrea · neut. Petreum
1. petra or Petrus
Petrean; of rock; stone
Petrean (eccl. Lat.): istae spinae, Petra et Petro transeunte, petreis pedibus tritae sunt, of rock or stone, or pertaining to the Apostle Peter, Aug. Serm. 297, 2 fin.