1. a building that is separate from but belongs to a main building

Examples

• The barn was the largest outbuilding on the farm.
• They converted the old outbuilding into a workshop.
• Several outbuildings surrounded the main house, including a garage and storage shed.
• The property includes a main residence and three outbuildings.
• We store our gardening tools in the small outbuilding behind the house.
• The historic estate featured numerous outbuildings from the colonial period.