1. A square pillar, usually set within a wall.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• playter,
• plastar,
• plaser,
• polyster,
• plaste,
• plasuer,
• polester,
• poaster,
• plasterd,
• palster,
• plastec,
• plasted,
• plasyer,
• pilasterr,
• pillaster,
• pilister,
• pilastar,
• pilestar,
• epiplastera,
• Epiplastre

• plasterer,
• plasterwork,
• plastered,
• Plastron,
• plastering,
• plaster.

The adjective form of the word "pilaster" is "pilastered".

The plural of the "pilaster" can be the "pilasters".

The singular of the "pilaster" can be the "pilaster".