Definition of "Mate" :

noun: a chess move constituting an inescapable and indefensible attack on the opponent's king

noun: an exact duplicate

noun: South American tea-like drink made from leaves of a South American holly called mate

noun: the officer below the master on a commercial ship

noun: informal term for a friend of the same sex

noun: the partner of an animal (especially a sexual partner)

"He loved the mare and all her mates."

noun: a person's partner in marriage

noun: a fellow member of a team

"It was his first start against his former teammates."

noun: South American holly; leaves used in making a drink like tea

noun: one of a pair

"He lost the mate to his shoe."

verb: 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."

verb: bring two objects, ideas, or people together

verb: engage in sexual intercourse

"Birds mate in the Spring."