n. [ F. colonnade, It. colonnata, fr. colonna column. See Colonel. ] (Arch.) A series or range of columns placed at regular intervals with all the adjuncts, as entablature, stylobate, roof, etc. [ 1913 Webster ]
☞ When in front of a building, it is called a
adj. having a series of columns arranged at regular intervals; furnished with a colonnade. [ WordNet 1.5 ]