(also applied column) . A column which is attached to - or partially sunk into - a wall so that only half projects from the wall
A nonfunctional half column, which protrudes from and is set into a wall, for the sole purpose of referring to the column in a building's design.
a half-column projecting from a wall
A round column attached to the wall.
In architecture, an engaged column is a column embedded in a wall and partly projecting from the surface of the wall, sometimes defined as semi or three-quarter detached.