|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.|
norma nor·ma (nôr'mə)
n. pl. nor·mae (-mē)
A line or pattern defining the contour of a part, especially of various aspects of the cranium.