여덟 개의 변과 각을 가진 팔각형 모양의.
Having eight sides and eight angles; shaped like an octagon.
예문:
"The historic gazebo features an octagonal roof supported by ornate wooden pillars."
"In many martial arts competitions, the fighters face off inside an octagonal cage."
"The architect designed an octagonal dining room to maximize the view of the surrounding garden."