myriagon

myria- +‎ -gon.

• (UK) IPA^(key): /ˈmɪɹɪəɡɒn/
• (General American) IPA^(key): /ˈmiɹiəɡɑn/
• Hyphenation: my‧ri‧a‧gon

myriagon (plural myriagons)

1. (geometry) A polygon with 10,000 sides.
   • 1998, Réné Descartes, translated by Desmond M. Clarke, Meditations, Penguin, published 2003, page 58:

     For it differs in no way from the representation I should form if I were thinking of a myriagon, or any figure with very many sides.

• agrimony