(Irregular preterit, past participle: bred).
1. To copulate with a female, used esp. of horses; SYN. cover.
2. To have young; used of animals; derogatory when used for people; SYN. multiply.
3. Said of plants or animals: to cause to have young, usually with attention to the genetic strains.

1. A lineage or race of people; SYN. strain.
2. A special kind of domesticated animals within a species; SYN. strain, stock, variety.
3. A special lineage.
Recognizable group of domestic animals, within a species, with distinctive characteristics that have been produced by artificial selection.