| ORC | Mediterranean orchid having usually purple flowers with a fan-shaped spotted or striped rose-red lip |
|---|---|
| ORC | North American orchid having a spike of violet-purple flowers mixed with white |
| ORC | inflammation of one or both testes |
| ORC | surgical incision into the testis to obtain material for analysis (as in cases of abnormally low sperm count) |
| ORC | killer whales |
| ORC | predatory black-and-white toothed whale with large dorsal fin |
| ORC | god of the underworld |
| ORC | British writer (born in Hungary) (1865-1947) |