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.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI