circumference

Noun

WordNet 3.0

the size of something as given by the distance around itSynonyms: perimeter
the boundary line encompassing an area or object“he had walked the full circumference of his land”“a danger to all races over the whole circumference of the globe”Synonyms: circuit
the length of the closed curve of a circle

Circumference \Cir*cum"fer*ence\, n. [L. circumferentia.] [1913 Webster]

1.The line that goes round or encompasses a circular figure; a periphery. --Millon. [1913 Webster]

2.A circle; anything circular. [1913 Webster]

His ponderous shield . . . Behind him cast. The broad circumference Hung on his shoulders like the moon.— Milton.[1913 Webster]

3.The external surface of a sphere, or of any orbicular body. [1913 Webster]

Circumference \Cir*cum"fer*ence\, v. t. To include in a circular space; to bound. [Obs.] --Sir T. Browne. [1913 Webster]