pilaster
/pɪˈlæstər/
noun
- A rectangular column or pillar that is attached to a wall and projects slightly from it, often used for decoration or to support the wall.
- The old courthouse had tall pilasters on its front facade, giving it a grand appearance.
- The museum's entrance was framed by two stone pilasters that looked like Roman columns.
- In the living room, the architect added a wooden pilaster to break up the long wall.