Webster's Revised Unabridged Dictionary · 1913

Mate

Mate (ma"ta) , noun

[Sp.]

The Paraguay tea, being the dried leaf of the Brazilian holly (Ilex Paraguensis). The infusion has a pleasant odor, with an agreeable bitter taste, and is much used for tea in South America.

Mate (māt) , noun

[French mat, abbrev. from échec et mat. See Checkmate.]

(Chess) Same as Checkmate.

Mate , adjective

See 2d Mat. [Obsolete] — Chaucer

Mate , transitive verb

[French mater to fatigue, enfeeble, humiliate, checkmate. See Mate checkmate.]

1.
To confuse; to confound. [Obsolete] — Shakespeare
2.
To checkmate.

Mate , noun

[Perhaps for older make a companion; compare also OD. maet companion, mate, Dutch maat. Compare Make a companion, Match a mate.]

1.
One who customarily associates with another; a companion; an associate; any object which is associated or combined with a similar object.
2.
Hence, specifically, a husband or wife; and among the lower animals, one of a pair associated for propagation and the care of their young.
3.
A suitable companion; a match; an equal.
Ye knew me once no mate For you; there sitting where you durst not soar. — Milton
4.
(Nautical) An officer in a merchant vessel ranking next below the captain. If there are more than one bearing the title, they are called, respectively, first mate, second mate, third mate, etc. In the navy, a subordinate officer or assistant; as, master's mate; surgeon's mate.

Mate , transitive verb

1.
To match; to marry.
If she be mated with an equal husband. — Shakespeare
2.
To match one's self against; to oppose as equal; to compete with.
There is no passion in the mind of man so weak but it mates and masters the fear of death. — Bacon
I,... in the way of loyalty and truth,... Dare mate a sounder man than Surrey can be. — Shakespeare
3.
To breed; to bring (animals) together for the purpose of breeding; as, she mated a doberman with a German shepherd.
4.
To join together; to fit together; to connect; to link; as, he mated a saw blade to a broom handle to cut inaccessible branches.

Mate , intransitive verb

To be or become a mate or mates, especially in sexual companionship; as, some birds mate for life; this bird will not mate with that one.