English Dictionary

octagon

IPA（発音記号）

/ˈɒktəɡ(ə)n/

名詞

未分類 限定用法

(geometry, also attributively) A polygon with eight sides and eight angles. / (martial arts) Often in the form Octagon: the arena for mixed martial arts.

日本語の意味

（幾何学）八つの辺と八つの角を持つ多角形、すなわち正八角形。 / （格闘技）八角形の形状をした競技場、特にMMA（総合格闘技）で用いられるリング。

The architect designed a central plaza in the shape of an octagon to create balanced sightlines.

建築家は視線が均等になるように、中央広場を八角形の形に設計した。

意味（1）

(geometry, also attributively) A polygon with eight sides and eight angles.

From the Circle deſcribe the Octagon, by taking half the Quadrant of the former for each Side of the latter. … [B]y conjoining theſe Points with ſtrait Lines agreeable to the Shape of the Octagon, the whole Work is completed.

意味（2）

(martial arts) Often in the form Octagon: the arena for mixed martial arts.

octagons （ plural ）