円えん環かんえんかんMeanings1nouncircle; ringRefers to a circular shape or loop, often in abstract, mathematical, or literary contexts. More formal than 輪 (わ) or 丸 (まる).この物もの語がたりは円えん環かん構こう造ぞうを持もっている。This story has a circular structure.数すう学がくで円えん環かんの面めん積せきを求もとめる。Find the area of the circle in mathematics.