inion Hear it!

inion definition

ini·on (in′ē ən, -än′)

noun

the bulging part at the rear of the human skull

Etymology: ModL < Gr, the back of the head < is (gen. inos), sinew, muscle, lit., strength, akin to L vis, strength < IE *wīs- < base *wei-, to strive forward, > L via

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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