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hendecagon

American  
[hen-dek-uh-gon, -guhn] / hɛnˈdɛk əˌgɒn, -gən /

noun

  1. a polygon having 11 angles and 11 sides.

hendecagon British  
/ hɛnˈdɛkəɡən, ˌhɛndɪˈkæɡənəl /

noun

  1. a polygon having 11 sides

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • hendecagonal adjective

Etymology

Origin of hendecagon

First recorded in 1695–1705; hendeca- + -gon

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Hendecagon, hen-dek′a-gon, n. a plane figure of eleven angles and eleven sides.—adj.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.