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1. The boundary line of a circle.
a. The boundary line of an area or object.
b. Abbr. c or circ. The length of such a line.
3. The margin or area surrounding something.

[Middle English, from Old French circonference, from Latin circumferentia, from circumferēns, circumferent-, present participle of circumferre, to carry around : circum-, circum- + ferre, to carry; see bher- in Indo-European roots.]

cir·cum′fer·en′tial (-fə-rĕn′shəl) adj.
Synonyms: circumference, circuit, compass, perimeter, periphery
These nouns refer to a boundary or area around the outer edge of something: drove around the circumference of the city; followed the circuit around the park; stayed within the compass of the schoolyard; walked the perimeter of the estate; fenced the periphery of the property.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.circumferential - lying around or just outside the edges or outskirts; "circumferential highways around cities"
peripheral - on or near an edge or constituting an outer boundary; the outer area; "Russia's peripheral provinces"; "peripheral suburbs"
References in classic literature ?
Now bees, as may be clearly seen by examining the edge of a growing comb, do make a rough, circumferential wall or rim all round the comb; and they gnaw into this from the opposite sides, always working circularly as they deepen each cell.
Even in the rude circumferential rim or wall of wax round a growing comb, flexures may sometimes be observed, corresponding in position to the planes of the rhombic basal plates of future cells.
I was able practically to show this fact, by covering the edges of the hexagonal walls of a single cell, or the extreme margin of the circumferential rim of a growing comb, with an extremely thin layer of melted vermilion wax; and I invariably found that the colour was most delicately diffused by the bees--as delicately as a painter could have done with his brush--by atoms of the coloured wax having been taken from the spot on which it had been placed, and worked into the growing edges of the cells all round.
I want that the Circumferential Road will always be free from traffic hazards and that the smooth flow of traffic is always maintained," Gov.
Contract awarded for Improvement/Upgrading (Gravel to Concrete) of Island Garden City of Samal (IGACOS) Circumferential Road (East Side) (Babak-PeA+/-aplata Section), Davao del Norte
The cover member is elastically contractible in a circumferential direction of a wearer's waist in at least one of the front and back waist regions.
Bracing ply reinforcements are oriented at an angle of 18[degrees] to 45[degrees] with the circumferential direction of the tire.
The projects in the town of Siquijor include construction and rehabilitation of the drainage system in Barangay Banban, as well as construction and rehabilitation of river and flood control structures in circumferential roads.
Contract awarded for Road Upgrading (Gravel to Paved) / Concreting of Tablas Circumferential Road (Sta.
The diaper features longitudinally opposite ends that extend parallel in the waist circumferential direction of the diaper.