hectagon

From hecto- +‎ -gon.

hectagon (plural hectagons)

1. A polygon with 100 edges, vertices, and angles.
2. Misspelling of hexagon.
3. Misspelling of heptagon.

• 1922, F[rancis] Scott Fitzgerald, The Beautiful and Damned, New York, N.Y.: Charles Scribner’s Sons, →OCLC, (please specify |book=1, 2, or 3):

  Half a dozen farm-estates formed a hectagon around it

• hectagonal

• T'ao-ch'eng, Taocheng