pilaster

noun
  1. A rectangular column, especially one projecting from a wall, which is used for decoration or support. noun
    The architect added a pilaster to the facade to enhance its classical appearance.
    The pilaster was intricately carved, adding elegance to the otherwise plain wall.
  2. An architectural element that resembles a flat column but is purely decorative and does not bear any load. noun
    The pilasters on the building gave it a more imposing and structured look.
    Despite being non-structural, the pilasters were crucial in defining the aesthetic of the room.