Doric is an Order or Architecture in which the capitals have a fluted shaft and plain capital.

Architectural order characterized by columns generally without bases, relatively simple capitals, and a frieze composed of alternating triglyphs and metopes. [view larger image]

The oldest (dating to the 6th-century B.C.E.) and plainest of the three basic orders of classical Greek architecture (the others being the Ionic and the Corinthian orders). In ancient Greece, the Doric order was the masculine, and the most preferred, order. A Doric column is stout, with a fluted shaft (ideally, with 20 flutes), a plain capital, and [..]

The simplest of the ancient Greek orders of architecture. The columns consist of a plain fluted shaft and a simple capital; there may be no base or a simple round one. According to Roman writer Vitruv [..]