| OR | operation to bring an undescended testicle into the scrotum |
|---|---|
| OR | one of the two male reproductive glands that produce spermatozoa and secrete androgens |
| OR | any of various deciduous terrestrial orchids having fleshy tubers and flowers in erect terminal racemes |
| OR | Eurasian orchid with showy pink or purple flowers in a loose spike |
| OR | Mediterranean orchid having usually purple flowers with a fan-shaped spotted or striped rose-red lip |
| OR | North American orchid having a spike of violet-purple flowers mixed with white |
| OR | inflammation of one or both testes |
| OR | surgical incision into the testis to obtain material for analysis (as in cases of abnormally low sperm count) |
| OR | killer whales |
| OR | predatory black-and-white toothed whale with large dorsal fin |
| OR | god of the underworld |
| OR | British writer (born in Hungary) (1865-1947) |