mate

the officer below the master on a commercial ship

an exact duplicate

informal term for a friend of the same sex

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

the partner of an animal (especially a sexual partner)

“he loved the mare and all her mates”

a person's partner in marriage

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

one of a pair

“he lost the mate to his shoe”

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

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”

a fellow member of a team

“it was his first start against his former teammates”

engage in sexual intercourse

“Birds mate in the Spring”