| BIR | a zoologist who studies birds |
|---|---|
| BIR | Old World plant with axillary racemes of blue-and-white flowers |
| BIR | a situation or topic as if viewed from an altitude or distance |
| BIR | the foot of a bird |
| BIR | European forage plant having claw-shaped pods introduced in America |
| BIR | European forage plant having claw-shaped pods introduced in America |
| BIR | Old World herb related to fenugreek |
| BIR | nest where birds lay their eggs and hatch their young |
| BIR | tropical Old World or Australian epiphytic fern frequently forming tufts in tree crotches |
| BIR | as from an altitude or distance |
| BIR | shrub with narrow-elliptic glossy evergreen leaves and yellow flowers with leathery petaloid sepals |
| BIR | maple wood having a wavy grain with eyelike markings |