dead ringer
A person or thing that closely resembles another; an exact counterpart. For example, Brian's a dead ringer for his Dad, or That red bike is a dead ringer for Mary's. [Late 1800s]
| 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. |