Also spelled octogon

US /ˈɑːk.təˌɡɑːn/ UK /ˈɒk.tə.ɡən/
noun Freq #42574

Meanings

  1. 1
    noun

    a polygon with eight sides and eight angles

    The architect designed the central room as a regular octagon.

Thesaurus

Synonyms
1 noun · a polygon with eight sides... eight-sided polygon
Word family
Derived forms octagonaloctagonally
Related forms polygonoctahedronoctave

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.

Topics

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