perimeter
/pəˈɹɪm.ɪ.təɹ/ noun C1- The sum of the distance of all the lengths of the sides of an object.
- The length of such a boundary.
- The outer limits of an area.
- A fortified strip or boundary usually protecting a military position.
- An instrument for determining the extent and shape of the field of vision.
Plural perimeters
From the library
The gentle current of the Sarayu River flows through the background, providing a scenic perimeter to the bustling commercial districts.
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