| 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. |
development de·vel·op·ment (dĭ-věl'əp-mənt)
n.
The act of developing.
The state of being developed.
A significant event, occurrence, or change.
The natural progression from a previous, simpler, or embryonic stage to a later, more complex, or adult stage.