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

  • n. A polygon with 12 sides.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a polygon with twelve edges and twelve angles

from the GNU version of the Collaborative International Dictionary of English

  • n. A figure or polygon bounded by twelve sides and containing twelve angles.

from The Century Dictionary and Cyclopedia

  • n. A polygon having twelve sides and twelve angles.

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

  • n. a twelve-sided polygon


Greek dōdekagōnon : dōdeka, twelve (duo, two, + deka, ten).
(American Heritage® Dictionary of the English Language, Fourth Edition)



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