Meaning of the word octagon in English

What does octagon mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

octagon

US /ˈɑːk.tə.ɡɑːn/
UK /ˈɒk.tə.ɡən/
"octagon" picture

Noun

a plane figure with eight straight sides and eight angles

Example:
The stop sign is a perfect example of an octagon.
The architect designed the building with an octagon-shaped tower.
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