Definition that contains birt
- cradle birth of a person
- contraception birth control by the use of devices (diaphragm or intrauterine device or condom) or drugs or surgery
- syndactyly birth defect in which there is partial or total webbing connecting two or more fingers or toes
- polydactyly birth defect characterized by the presence of more than the normal number of fingers or toes
- marie charlotte carmichael stopes birth-control campaigner who in 1921 opened the first birth control clinic in London (1880-1958)
- hyperdactyly birth defect characterized by the presence of more than the normal number of fingers or toes
- aristolochia birthworts; Dutchman's-pipe
- posthumous birth birth of a child after the father has died
- marie stopes birth-control campaigner who in 1921 opened the first birth control clinic in London (1880-1958)
- virginia serpentaria birthwort of the eastern United States woodlands