垂すい直ちょく圏けんMeaningsNoun1. vertical circleKanji used垂droop直straight圏area of influencePitch accentすいちょくけんすいちょくけんComposed of垂すい直ちょくvertical; perpendicularNa-adjective圏けんsphere; circle; range; area; zone; bloc; categorySuffix