Adjective circumferential has 1 sense
  1. circumferential - lying around or just outside the edges or outskirts; "circumferential highways around cities"
    Antonym:
    central (indirect, via peripheral)
,Noun circumferential has 1 sense
  1. bypass, circumferential, ring road - a road that takes traffic around the edge of a town
    --1 is a kind of road, route
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