Petrous

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From WordNet (r) 2.0 [wn]:

  petrous
       adj : (of bone especially the temporal bone) resembling stone in
             hardness [syn: {stonelike}]