dodecagon Hear it!

dodecagon definition

do·deca·gon (dō dek′ə gän′, -gən)

noun

a plane figure with twelve angles and twelve sides

Etymology: Gr dōdekagōnon: see dodeca- & -gon

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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