Definition of "Cement" :

noun: a specialized bony substance covering the root of a tooth

noun: something that hardens to act as adhesive material

noun: a building material that is a powder made of a mixture of calcined limestone and clay; used with water and sand or gravel to make concrete and mortar

noun: concrete pavement is sometimes referred to as cement

"They stood on the grey cement beside the pool."

noun: any of various materials used by dentists to fill cavities in teeth

verb: make fast as if with cement

"We cemented our friendship."

verb: bind or join with or as if with cement

verb: cover or coat with cement