| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| OU | |
| —abbreviation for | |
| 1. | the Open University |
| 2. | Oxford University |
OU abbr.
Latin oculus uterque (either eye, each eye)