Definitions

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

  • noun A compound bone with winglike processes, situated at the base of the skull.

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

  • noun A compound bone at the base of the skull behind the eyes.

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

  • noun butterfly-shaped bone at the base of the skull

Etymologies

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Examples

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Comments

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  • The appearance of this bone at the base of the cranium evokes in my mind an image of a flying bat rather than a flying butterfly.

    August 26, 2011