| out- | |
| —prefix | |
| 1. | excelling or surpassing in a particular action: outlast; outlive |
| 2. | indicating an external location or situation away from the centre: outpost; outpatient |
| 3. | indicating emergence, an issuing forth, etc: outcrop; outgrowth |
| 4. | indicating the result of an action: outcome |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |