noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A polygon with eleven sides and eleven angles.
2. 2
   an eleven-sided polygon wordnet

Synonyms

All synonyms

11 gon11-gonhendecagonhendecagon

Etymology

From undeca- + -gon.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.