mate - noun

the officer below the master on a commercial ship

a fellow member of a team

the partner of an animal

a person's partner in marriage

an exact duplicate

one of a pair

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

informal term for a friend of the same sex

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

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

mate - verb

• bring two objects, ideas, or people together
• place an opponent's king under an attack from which it cannot escape and thus ending the game

mate - thesaurus

checkmate   couple   fellow   match   pair   partner   spouse   teammate   twin