What does mate mean?

Answer 1

mate (māt) noun:

1. A companion, comrade, or fellow worker, often used in compounds (classmate);
2. British (informal) a chum; buddy; pal, often used as a familiar form of address;
3. One of a pair, esp. of a matched pair; a husband or wife; spouse;
4. The male or female of animals paired for propagation;
5. Archaic, an equal; fit associate; an officer of a merchant ship, ranking below the captain; specif., first mate; an assistant;
6. Nautical, in the U.S. Navy, mate is used in the designators of certain petty officers and ratings, as machinist's mate, boatswain's mate, etc.

Transitive verb mated mat′ed, mating mat′·ing:

1. to join as a pair; couple;
2. to couple in marriage or sexual union;
3. to provide with a mate.

I'm guessing you are meaning mate as in "to couple in marriage or sexual union"?

Answer 2

When animal star to breed in other cases sexual intercourse for animals.