n.

1. a special lineage
   
   • a breed of Americans
2. a special variety of domesticated animals within a species;
   strain, stock
   
   • he experimented on a particular breed of white rats
   • he created a new strain of sheep
3. half-caste offspring of parents of different races (especially of white and American Indian parents);
   half-breed
4. a lineage or race of people;
   strain

v.

1. call forth;
   engender, spawn
2. copulate with a female, used especially of horses;
   cover
   
   • The horse covers the mare
3. cause to procreate (animals)
   
   • She breeds dogs
4. have young (animals);
   multiply
   
   • pandas rarely breed in captivity