perimeter
n. countablen. the total distance around the outside edge of a shape or area. You can find it by adding the lengths of all the sides together.
n. the continuous line forming the boundary of a closed geometric figure or a specific area. In a military or security context, it refers to the outer limits of a protected position.
The perimeter of the square garden is twenty meters.
Security guards patrol the perimeter of the warehouse every hour to check for broken fences.
Calculating the perimeter of an irregular polygon requires the precise measurement of every individual segment before summing them to find the total boundary length.
From Latin perimetros, Ancient Greek περίμετρος (perímetros). Equivalent to peri- + meter.
Often used with the verbs 'patrol', 'secure', or 'calculate'.
the perimeter from the circlethe perimeter of the circleUse the preposition 'of' to link the perimeter to the object it bounds.