Dictionary/円筒えんとうEntou円筒 (Entou) is a Japanese noun meaning “cylinder”.MeaningsnouncylinderKanji in 円筒円circle筒cylinderRelated words丸いround封筒envelope１０００円1000 yen筒井round well円満harmonious水筒canteen丸みroundness円高appreciation of the yen筒pipe一円one yen円yen (currency of Japan)千円札1,000 yen bill