see also: ARC
Pronunciation Noun

arc (plural arcs)

  1. (astronomy) That part of a circle which a heavenly body appears to pass through as it moves above and below the horizon. [from 14th c.]
  2. (geometry) A continuous part of the circumference of a circle (circular arc) or of another curve. [from 16th c.]
  3. A curve, in general. [from 17th c.]
  4. A band contained within parallel curves, or something of that shape. [from 17th c.]
  5. (electrics) A flow of current across an insulating medium; especially a hot, luminous discharge between either two electrodes or as lightning. [from 19th c.]
  6. A story arc. [from 20th c.]
  7. (mathematics) A continuous mapping from a real interval (typically [0, 1]) into a space.
  8. (graph theory) A directed edge.
  9. (basketball, slang) The three-point line.
  10. (film) An arclight.
Synonyms Translations Translations Translations Translations
  • Italian: curva in forma parametrica

arc (arcs, present participle arcing; past and past participle arced)

  1. (ambitransitive) To move following a curved path.
    • 2008, T. R. Elmore, Blood Ties Series, Volume 1, Tainted, Book 1 (page 106)
      A warring bloodhunter detected it and skillfully arced his sword through its spinal column before it could return to follow through with its attack.
  2. (transitive) To shape into an arc; to hold in the form of an arc.
    • 1953, James Baldwin, Go Tell It on the Mountain, New York: Knopf, Part One,
      His mother, her eyes raised to heaven, hands arked before her, moving, made real for John that patience, that endurance, that long suffering, which he had read in the Bible and found so hard to image.
  3. (intransitive) To form an electrical arc.
Related terms


  1. Acronym of advanced reader's copy, a copy of a book given to a reviewer free in advance for review purposes
  2. (pathology) Initialism of AIDS-related complex
Proper noun
  1. Initialism of American Red Cross

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