temporal bone

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Either of a pair of compound bones forming the sides and base of the skull.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Either of two compound bones that collectively make up the sides and base of the skull.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a thick bone forming the side of the human cranium and encasing the inner ear