여덟 개의 변과 여덟 개의 각을 가진 평면 도형
A plane figure with eight straight sides and eight angles.
예문:
"The interior angles of a regular octagon each measure 135 degrees."
"A stop sign is the most common octagon seen on the road."
8각형 평면 구조를 가진 건물이나 물체
An object or building with a plan or cross section of an eight-sided shape.
예문:
"The fighters entered the octagon for the championship bout."
"The Victorian house featured a unique octagon room at the corner."