Icosagon

Pronunciation

Origin

From Ancient Greek εἰκοσάγωνος (eikosagōnos, "having twenty sides"), from εἴκοσι (eikosi, "twenty") + γωνία (gōnia, "angle").

Full definition of icosagon

Noun

1. (mathematics) A polygon with twenty sides and twenty angles.
• 1993 The upper half of a regular icosagon frame is folded. - author? - Space Structures 4

Synonyms

• 20-gon