quindecagon

quindecagon [kwin-dek-uh-gon, -guh n] Word Origin noun Geometry.

1. a polygon having 15 angles and 15 sides.

Origin of quindecagon 1560–70; Latin quīndec(im) fifteen + -agon (extracted from pentagon, hexagon, etc.) British Dictionary definitions for quindecagon quindecagon noun

1. a geometric figure having 15 sides and 15 angles

Word Origin for quindecagon C16: from Latin quindecim fifteen + -agon, as in decagon