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

  • noun The outermost layer of the dura mater.
  • noun The inner surface of the skull.

from The Century Dictionary.

  • noun In zoology and anatomy, a collective name for the processes which project inward from the cranium of an animal, and serve to support the organs of the head: applied by Huxley to the hard pieces found in the head of an insect, and invisible without dissection.
  • noun The lining membrane of the skull; the dura mater.

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

  • noun anatomy The layer between the dura mater and the skull.

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

  • noun membrane lining the inside of the skull


Sorry, no etymologies found.



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