Shaft

A spear or an arrow, or something suggestive of those shapes, such as a long pole, a long handle of a tool, the central member of a feather, a deep pit, etc. In architecture, the part of a column between the capital and the base.Examples: Columnar shafts as they figure into a diagram of the Doric order and a diagram of the Ionic order.Also see abacus, architrave, classical orders, Corinthian, cornice, Doric, echinus, entablature, frieze, Greek art, Ionic, metope, orders, Roman art, shaft, stylobate, and triglyph.