(anatomy) The petrous part of the temporal bone at the base of the skull, surrounding the inner ear. / (anatomy, zootomy) The auditory capsule.

plural of petrosilex

(mineralogy) felsite

Containing or relating to petrosilex.

plural of petrosal

(anatomy) An arched elevation on the anterior surface of the petrous portion of the temporal bone over the superior semicircular canal.

(anatomy) Relating to the petrous and squamous parts of the temporal bone.

A male given name from the Slavic languages

A surname.

plural of Petrosky