| BIR | a right or privilege that you are entitled to at birth |
|---|---|
| BIR | an inheritance coming by right of birth (especially by primogeniture) |
| BIR | trillium of eastern North America having malodorous pink to purple flowers and an astringent root used in fold medicine especially to ease childbirth |
| BIR | creeping plant having curving flowers thought to resemble fetuses |
| BIR | family of birthworts (including wild ginger) |