colonnade Meaning, Definition & Usage

  1. noun structure consisting of a row of evenly spaced columns
  2. noun a structure composed of a series of arches supported by columns
    arcade.

WordNet

Col`on*nade" noun
Etymology
F. colonnade, It. colonnata, fr. colonna column. See Colonel.
Definitions
  1. (Arch.) A series or range of columns placed at regular intervals with all the adjuncts, as entablature, stylobate, roof, etc. ✍ When in front of a building, it is called a portico; when surrounding a building or an open court or square, a peristyle.

Webster 1913