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English definition of “cement”

cement

noun [U]  /sɪˈment/ us  
a gray powder that is mixed with water, sand, and other substances, becomes very hard when dry, and is used in making concrete Cement also means concrete: There weren’t any chairs, so she sat on the cement.

cement

verb [T]  /sɪˈment/ us  
to attach firmly, or to cover with cement: The dentist cemented the tooth back in place. If you cement an agreement or relationship, you make it unlikely to change: She cemented the sale with a down payment.
(Definition of cement from the Cambridge Academic Content Dictionary © Cambridge University Press)
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