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[ahrk] /ɑrk/
Geometry. any unbroken part of the circumference of a circle or other curved line.
Also called electric arc. Electricity. a luminous bridge formed in a gap between two electrodes.
Compare spark1 (def 2).
Astronomy. the part of a circle representing the apparent course of a heavenly body.
anything bow-shaped.
verb (used without object), arced
[ahrkt] /ɑrkt/ (Show IPA)
or arcked, arcing
[ahr-king] /ˈɑr kɪŋ/ (Show IPA)
or arcking.
to form an electric arc.
to move in a curve suggestive of an arc.
1350-1400; Middle English ark < Latin arcus bow, arch, curve
Can be confused
arc, ark. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for arced
  • Each had hold of a long steel cable that arced into the upper deck.
  • The tiny faces shared the same arced hairline, full chin, lollipop cheeks.
  • Planes looped and swerved and dived and arced and sent colorful sprays of vapor over the pandemonium below.
  • Another arced arrow pointing upward and to the right closes the cycle.
  • Flashes of light were visible as power lines arced in the winds.
  • The battery arced and ignited methane, causing an explosion.
  • The thick arced red line in the bottom portion of the image represents the contour of the coral cap.
  • When the energized wire touched the raised boom, electric current arced into the post pounder.
  • He indicated that the cables could have arced or sparked, and started a fire.
  • Mining arced out in a complete circle from the haulageway, thus creating a long circular-shaped face.
British Dictionary definitions for arced


something curved in shape
part of an unbroken curved line
a luminous discharge that occurs when an electric current flows between two electrodes or any other two surfaces separated by a small gap and a high potential difference
(astronomy) a circular section of the apparent path of a celestial body
(maths) a section of a curve, graph, or geometric figure
verb arcs, arcing, arced, arcs, arcking, arcked
(intransitive) to form an arc
(maths) specifying an inverse trigonometric function: usually written arcsin, arctan, arcsec, etc, or sometimes sin–1, tan–1, sec–1, etc
Word Origin
C14: from Old French, from Latin arcus bow, arch


AIDS-related complex: an early condition in which a person infected with the AIDS virus may suffer from such mild symptoms as loss of weight, fever, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for arced



late 14c., originally in reference to the sun's apparent motion in the sky, from Old French arc "bow, arch, vault" (12c.), from Latin arcus "a bow, arch," from PIE root *arku- "bowed, curved" (cf. Gothic arhvazna "arrow," Old English earh, Old Norse ör; also, via notion of "supple, flexible," Greek arkeuthos, Latvian ercis "juniper," Russian rakita, Czech rokyta, Serbo-Croatian rakita "brittle willow"). Electrical sense is from 1821.


1893, in the electrical sense, from arc (n.). Meaning "to move in an arc" attested by 1954. Related: Arced; arcing.

Online Etymology Dictionary, © 2010 Douglas Harper
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arced in Medicine

arc (ärk)
A curved line or segment of a circle.

ARC abbr.
AIDS-related complex

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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arced in Science
  1. A segment of a circle.

  2. See electric arc.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Related Abbreviations for arced




  1. Addiction Research Center
  2. advance readers copy
  3. AIDS-related complex
  4. amateur radio club
  5. American Red Cross
  6. [National Aeronautics and Space Administration] Ames Research Center
  7. Appalachian Regional Commission
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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