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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The most prominent projecting point of the occipital bone at the base of the skull.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A small protuberance on the external surface of the back of the skull near the neck; the external occipital protuberance.

from the GNU version of the Collaborative International Dictionary of English

  • n. The external occipital protuberance of the skull.

from The Century Dictionary and Cyclopedia

  • n. An onion. This pronunciation is shown, without the changed spelling, in the second extract.
  • n. In anatomy, a ridge of the occiput to which muscles of the nape are attached; now, specifically, the external occipital protuberance.

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

  • n. the craniometric point that is the most prominent point at the back of the head (at the occipital protuberance)


Greek īnion, occipital bone, from īs, īn-, sinew, fiber; see wei- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
An Ancient Greek word meaning occipital bone or back of the head. (Wiktionary)



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