pe·rim·e·ter 
/pəˈrɪmətɚ/ noun
plural pe·rim·e·ters /pəˈrɪmətɚ/ noun 1 [count] a : the outside edge of an area or surface — often + of ▪ The soldiers defended the perimeter of the camp. ▪ They put up a fence around the perimeter of the yard.
b : the total length of the lines that form a shape — often + of ▪ The perimeter of the rectangle is 24 inches. 2 the perimeter basketball : the area on a basketball court that is not close to the basket
▪ He scored from the perimeter.
b : the total length of the lines that form a shape — often + of ▪ The perimeter of the rectangle is 24 inches.
▪ He scored from the perimeter.
