'Petrosal bone' definitions:

Definition of 'Petrosal bone'

From: GCIDE
  • Petrosal \Pe*tro"sal\, a. [See Petrous.] (Anat.) (a) Hard; stony; petrous; as, the petrosal bone; petrosal part of the temporal bone. (b) Of, pertaining to, or in the region of, the petrous, or petrosal, bone, or the corresponding part of the temporal bone. [1913 Webster]
  • Petrosal bone (Anat.), a bone corresponding to the petrous portion of the temporal bone of man; or one forming more or less of the periotic capsule. [1913 Webster]