giant pilaster

colossal pilaster

A pilaster that extends the full height of a building containing two or more floors.
References in periodicals archive ?
And the exterior is noteworthy for its big stone entrance portico, giant pilasters and a classic arched window as a central focal point.
The symmetrical main facade was designed to impress with its giant pilasters, topped by carved detail, central one bay pediment and hefty portico entrance.
Predating these is the listed 18th century coach house, unusually elegant with Baroque overtones and a hint at an earlier estate style with now-weathered ashlar elevations, hipped roof, giant pilasters, stone cornice and old stone arcading.