Breed, v. i. 1. To bear and nourish young; to reproduce or multiply itself; to be pregnant.
That they breed abundantly in the earth.
Gen. viii. 17.
The mother had never bred before.
Carpenter.
Ant. Is your gold and silver ewes and rams?
Shy. I can not tell. I make it breed as fast.
Shak.
2. To be formed in the parent or dam; to be generated, or to grow, as young before birth.
3. To have birth; to be produced or multiplied.
Heavens rain grace
On that which breeds between them.
Shak.
4. To raise a breed; to get progeny.
The kind of animal which you wish to breed from.
Gardner.
To breed in and in, to breed from animals of the same stock that are closely related.