Noun
1. the officer below the master on a commercial ship
2. a fellow member of a team;
"it was his first start against his former teammates"3. the partner of an animal (especially a sexual partner);
"he loved the mare and all her mates""camels hate leaving their mates"4. a person's partner in marriage
5. an exact duplicate;
"when a match is found an entry is made in the notebook"6. South American holly; leaves used in making a drink like tea
7. informal term for a friend of the same sex
8. South American tea-like drink made from leaves of a South American holly called mate
9. a chess move constituting an inescapable and indefensible attack on the opponent's king