| ORO | brown or yellow leafless herbs |
|---|---|
| ORO | the process of mountain formation (especially by the upward displacement of the earth's crust) |
| ORO | the science of mountains |
| ORO | alloy of copper and tin and zinc |
| ORO | the science of mountains |
| ORO | a university town in east central Maine on the Penobscot River north of Bangor |
| ORO | 1 species of aquatic plant: golden club |
| ORO | aquatic plant of the southeastern United States having blue-green leaves and a spadix resembling a club covered with tiny yellow flowers |
| ORO | of or relating to or located near the oropharynx |
| ORO | cavity formed by the pharynx at the back of the mouth |
| ORO | (of sounds) full and rich |
| ORO | ostentatiously lofty in style |