| polka dot | |
| —n | |
| 1. | one of a pattern of small circular regularly spaced spots on a fabric |
| 2. | a. a fabric or pattern with such spots |
| b. (as modifier): a polka-dot dress | |
| [C19: of uncertain origin] | |
| 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. |