| Word | Definitions | Synonyms |
|---|---|---|
| oviduct | (noun) either of a pair of tubes conducting the egg from the ovary to the uterus | Synonyms: Fallopian tube, uterine tube |
| ovipositor | (noun) egg-laying tubular structure at the end of the abdomen in many female insects and some fishes | - |
| oviraptorid | (noun) advanced carnivorous theropods, characterized by their toothless, parrot-like beaks and, in several cases, elaborate crests | - |