OCTAGONAL definition: having eight angles and eight sides. See examples of octagonal used in a sentence.

The movement of the analog stick (s) of the Nintendo 64 controller, the GameCube controller, the Wii Nunchuk and the Classic Controller is bounded by an octagonal frame, helping the user aim the stick …

The main room is a hushed octagonal space with gray stucco walls, each filled by massive paintings.

Define octagonal. octagonal synonyms, octagonal pronunciation, octagonal translation, English dictionary definition of octagonal. adj. Having eight sides and eight angles. oc·tag′o·nal·ly adv. …

octagonal in American English (ɑkˈtæɡənl) adjective having eight angles and eight sides

The meaning of OCTAGON is a polygon of eight angles and eight sides.

Nov 1, 2025 · octagonal (not comparable) (geometry) Shaped like an octagon, in having eight sides and eight angles. quotations

Octagonal numbers consistently alternate parity. Octagonal numbers are occasionally referred to as "star numbers", though that term is more commonly used to refer to centered dodecagonal numbers.

Definition of octagonal adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Meaning The term ‘octagonal’ refers to any shape that has eight corners or vertices, and it typically describes geometric figures, particularly polygons.