1. a gray powder that hardens when mixed with water, used in building construction
2. any substance used to bind things together

1. to join or fix firmly with cement or a similar substance
2. to make a relationship or agreement stronger

Examples

• The workers mixed cement with water to make concrete.
• They used cement to build the foundation of the house.
• The dentist used a special cement to attach the crown.
• She cemented the broken vase back together.
• The treaty helped cement the alliance between the two countries.
• Their friendship was cemented during their college years.
• The tiles were cemented to the bathroom wall.