octagon

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Related to octangle: eight-sided, octagonal

octagon

(less commonly), octangle
a polygon having eight sides

octagon

[′äk·tə‚gän]
(mathematics)
A polygon with eight sides.
References in periodicals archive ?
THE Sudoku Championship round at Skydome features various puzzles for the competition -- Octangles for the Whizkid, Tredoku for the Wizard, and Samurai for the Grandmaster.