Circumference
CIRCUMFERENCE, noun
1. The line that bounds a circle; the exterior line of a circular body; the whole exterior surface of a round body; a periphery.
2. The space included in a circle.
3. An orb; a circle; any thing circular or orbicular; as in Milton, speaking of a shield.
The broad circumference hung on his shoulders like the moon.
CIRCUMFERENCE, verb transitive To include in a circular space.