heptagon Hear it!

heptagon definition

hepta·gon (hep′tə gän′)

noun

a plane figure with seven angles and seven sides

Etymology: < Gr heptagōnos, seven-cornered: see hepta- & -gon

Related Forms:

  • heptagonal hep·tag′o·nal (-tag′ə nəl) adjective

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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