Found 2 items, similar to petrous.
English → English (WordNet) Definition: petrous petrous adj : (of bone especially the temporal bone) resembling stone in hardness [syn: stonelike]
English → English (gcide) Definition: Petrous Petrous \Pe"trous\, a. [L. petrosus, fr. petra a stone.] 1. Like stone; hard; stony; rocky; as, the petrous part of the temporal bone. --Hooper. [1913 Webster] 2. (Anat.) Same as Petrosal. [1913 Webster]