circumference

n. outer boundary of a circular area, perimeter

The circumference is the distance around a closed curve. Circumference is a kind of perimeter.
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Noun
1. the size of something as given by the distance around it
(synonym) perimeter
(hypernym) size
(hyponym) girth
2. the length of the closed curve of a circle
(hypernym) length
(part-meronym) sextant

(v. t.)
To include in a circular space; to bound.
  

(n.)
The line that goes round or encompasses a circular figure; a periphery.
  

(n.)
The external surface of a sphere, or of any orbicular body.
  

(n.)
A circle; anything circular.
  

n.
چکر گھماؤ , گھيرا , گھاؤ , دور محيط دائرہ , گردا , پِردھي