perimeters

/P ER0 IH1 M AH0 T ER0 Z/
noun
  1. 1

    The sum of the distance of all the lengths of the sides of an object.

  2. 2

    The length of such a boundary.

  3. 3

    The outer limits of an area.

  4. 4

    A fortified strip or boundary usually protecting a military position.

  5. 5

    An instrument for determining the extent and shape of the field of vision.

Source: https://en.wiktionary.org/wiki/perimeter, https://en.wiktionary.org/wiki/perimeters