isogon

[ ahy-suh-gon ]
/ ˈaɪ səˌgɒn /

noun

a polygon having all angles equal.

Origin of isogon

First recorded in 1690–1700; iso- + -gon

British Dictionary definitions for isogon

isogon
/ (ˈaɪsəʊˌɡɒn) /

noun

an equiangular polygon