'Petrous' definitions:
Definition of '
petrous
'
From:
WordNet
adjective
(of bone especially the temporal bone) resembling stone in hardness [syn: petrous,
stonelike
]
Definition of '
Petrous
'
From:
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]
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