- The definition of an octagon is an eight-sided, eight-angled figure.
An example of an octagon is the shape of a stop sign in the US.
This stop sign is an octagon.Licensed from iStockPhoto
Origin: L octagonum from Glassical Greek oktagōnos, eight-cornered: see octa- and amp; -gon
Used by arrangement with John Wiley & Sons, Inc.
octagon - Cultural Definition
A polygon having eight sides.
octagon - Science Definition
- octagonal octagonal adjective
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