| orienteering |
a cross-country race in which competitors follow a course in unfamiliar territory by using a map and compass. |
| orifice |
an opening, such as a vent, mouth, or hole, through which something can pass. |
| oriflamme |
the red banner that was used as a battle standard by the early kings of France. [3 definitions] |
| orig. |
abbreviation of "original" or "originally." |
| origami |
the Japanese art or technique of folding paper into ornamental or representational figures. [2 definitions] |
| origin |
the point or moment of arising; source. [3 definitions] |
| original |
first in order of succession. [8 definitions] |
| originality |
the capacity to think or act as an individual or in an original way. [3 definitions] |
| original jurisdiction |
the authority of a court to be the first court to hear and decide cases on a particular matter or in a particular geographic area. |
| originally |
with reference to source or origin. [3 definitions] |
| original sin |
in Christianity, the sin of disobedience committed by Adam and Eve, for which they and all humans were made to suffer pain and mortality. |
| originate |
to arise or come into being. [3 definitions] |
| originative |
having the capacity to originate. |
| originator |
one who starts or invents something new, especially a way or manner of doing something. |
| Orinoco River |
a major river of South America that starts near the Venezuelan border with Brazil, flows across Venezuela, then along the border with Colombia, and finally empties into the Atlantic Ocean. |
| oriole |
a member of either of two families of birds in which the males have black and bright yellow or orange plumage. |
| Orion |
in Greek mythology, a giant hunter who was killed by Artemis. [2 definitions] |
| orison |
a prayer. |
| -orium |
a place or device associated with or pertaining to; -arium. |
| Orlon |
trademark for a lightweight acrylic fiber or fabric. |
| Ormazd |
Ahura Mazda. |