| BR | bombardier beetles |
|---|---|
| BR | veins formed by the union of the internal jugular and subclavian veins |
| BR | marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food |
| BR | of or belonging to the phylum Brachiopoda |
| BR | marine invertebrates that resemble mollusks |
| BR | of or belonging to the phylum Brachiopoda |
| BR | (biology) a branching or armlike part of an animal |
| BR | having a short broad head with a cephalic index of over 80 |
| BR | Australian trees (usually with swollen trunks) |
| BR | south Australian tree having panicles of brilliant scarlet flowers |
| BR | north Australian tree having white flowers and broad leaves |
| BR | widely distributed tree of eastern Australia yielding a tough durable fiber and soft light attractively grained wood |