Having twelve sides and twelve angles
Designating any of the eight equal parts of something
(Mathematics, of a number) Belonging to the sequence generated by the formula .
Find another word for octagonal. In this page you can discover 23 synonyms, antonyms, idiomatic expressions, and related words for octagonal, like: dodecagonal, pentahedral, ogee, arched, pedimented, semi-circular, pediment, ornate, entablature, openwork and arcaded.