Dictionary
cir•cum•fer•ence
Pronunciation: (sur-kum'fur-uns), [key]—
n.
1. the outer boundary, esp. of a circular area; perimeter:
the circumference of a circle.
2. the length of such a boundary:
a one-mile circumference.
3. the area within a bounding line:
the vast circumference of his mind. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.