pē̆tro, ōnis, m. [1. petra].
I A rustic : petrones rustici fere dicuntur, etc., Fest. p. 206, 23 Müll.; cf.: petrones rustici a petrarum asperitate et duritiā dicti, Paul. ex Fest. p. 207, 6 ib.—
II An old wether , whose flesh is as hard as a stone (anteclass.), Plaut. Capt. 4, 2, 40.