1. the act or instance of spilling something, or the amount that has been spilled
2. liquid or other substance that has been accidentally spilled

Examples

• The oil spillage contaminated several miles of coastline.
• Please clean up any spillage immediately to prevent accidents.
• The chemical spillage required an emergency response team.
• There was significant spillage when the truck overturned.
• The janitor mopped up the spillage in the cafeteria.
• Insurance will cover damages from water spillage.
• The spillage left a permanent stain on the carpet.