Etymology: Middle English breden, from Old English brēdan; akin to Old English brōd brood
Date: before 12th century
transitive verb1: to produce (offspring) by hatching or gestation 2 a:beget 1 b:produce, engender<despair often breeds violence> 3: to propagate (plants or animals) sexually and usually under controlled conditions <bred several strains of corn together to produce a superior variety> 4 a:bring up, nurture<born and bred in the country>b: to inculcate by training <breed good manners into one's children> 5 a:4mate 3 b: to mate with :inseminatec:impregnate 2 6: to produce (a fissionable element) by bombarding a nonfissionable element with neutrons from a radioactive elementintransitive verb1 a: to produce offspring by sexual union b:copulate, mate 2: to propagate animals or plants