Perimeter
WordNet

noun


(1)   The size of something as given by the distance around it
(2)   A line enclosing a plane areas
(3)   The boundary line or the area immediately inside the boundary
WiktionaryText

Noun



  1. The sum of the distance of all the lengths of the sides of an object.
  2. The outer limits of an area. See Synonyms at circumference.
  3. The length of such a boundary.
  4. A fortified strip or boundary usually protecting a military position.
 
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