Also spelled octogon
noun
Freq #42574
Meanings
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1
noun
a polygon with eight sides and eight angles
The architect designed the central room as a regular octagon.
Thesaurus
Etymology
Through Latin octagonon from Ancient Greek oktagonon ("eight-angled figure"), formed from okto ("eight") + gonia ("angle, corner"). The obsolete spelling octogon reflects variation in the classical combining form.