円柱

(1)a solid bounded by a cylindrical surface and two parallel planes (the bases)

(2)柱面と2つの平行した面（底面）に囲まれている固体

(3)(architecture) a tall vertical cylindrical structure standing upright and used to support a structure

(4)縦に真っ直ぐに立った高い筒状のもの

(5)anything that approximates the shape of a column or tower; "the test tube held a column of white powder"; "a tower of dust rose above the horizon"; "a thin pillar of smoke betrayed their campsite"

(6)柱や塔の形に近い長細いもの

(7)a surface generated by rotating a parallel line around a fixed line

(8)固定した線を中心に平行線を回転させて作られる面