1. (

• copulate ,
• mate ,
• pair ,
• couple

) engage in sexual intercourse; "Birds mate in the Spring" ;

2. (

• match ,
• mate ,
• couple ,
• pair ,
• twin

) bring two objects, ideas, or people together; "This fact is coupled to the other one"; "Matchmaker, can you match my daughter with a nice young man?"; "The student was paired with a partner for collaboration on the project" ;

3. (

• checkmate ,
• mate

) place an opponent's king under an attack from which it cannot escape and thus ending the game; "Kasparov checkmated his opponent after only a few moves" ;