| 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. |
derangement de·range·ment (dĭ-rānj'mənt)
n.
Disturbance of the regular order or arrangement of parts in a system.
Mental disorder; insanity.