A place for walking under shelter. The word is usually applied to the columned projection before the entrance to a temple or similar building. Porticos of this kind are described according to the number of frontal columns viz. Tetrastyle (4), Hexastyle (6), Octastyle (8), Decastyle (10) and Dodecastyle (12). Where there are only two columns between pilasters or antae the expression used is Distyle in Antis.