enneagon

[en-ee-uh-gon, -guh n]

Origin of enneagon

1650–60; < Greek enneágōnos; see ennea-, -gon
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British Dictionary definitions for enneagon

enneagon

noun
  1. another name for nonagon
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