Icosagon

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A polygon with twenty sides and twenty angles.

    "1993 The upper half of a regular icosagon frame is folded. - author? - Space Structures 4"

Example

More examples

"1993 The upper half of a regular icosagon frame is folded. - author? - Space Structures 4"

Etymology

From Ancient Greek εἰκοσάγωνος (eikoságōnos, “having twenty sides”), from εἴκοσι (eíkosi, “twenty”) + γωνία (gōnía, “angle”). Equivalent to icosa- + -gon.

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