Shaft  n. 1 narrow usu. Vertical space, for access to a mine, or (in a building) for a lift, ventilation, etc. 2 (foll. By of) a ray (of light). B bolt (of lightning). 3 stem or handle of a tool etc. 4 long narrow part supporting, connecting, or driving thicker part(s) etc. 5 a archaic arrow, spear. B its long slender stem. 6 hurtful or provocative remark (shafts of wit). 7 each of the pair of poles between which a horse is harnessed to a vehicle. 8 central stem of a feather. 9 column, esp. Between the base and capital. [old english]