n. a line that forms the length of an arrow pointer
n. a long rod or pole (especially the handle of an implement or the body of a weapon like a spear or arrow)
n. a vertical passageway through a building (as for an elevator)
n. (architecture) upright consisting of the vertical part of a column
n. 轴, 箭杆, 矛, 矿井
vt. 装杆于, 利用