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| arc [ aark ] |
noun (plural arcs) |
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| Definition: |
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1. curve: a curved or semicircular line, direction of movement, or arrangement of items
  swung in a high arc overhead
an arc of children around their teacher
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2. mathematics section of circle: a section of a circle, ellipse, or other curved figure
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3. astronomy visible part of astronomical object's path: a section of the path that a planet or other astronomical object appears to follow, especially that seen above the horizon
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4. electrical engineering electric discharge: a luminous discharge caused by an electric current flowing across a gap in an electrical circuit
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5. geology
Same as island arc
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intransitive verb (past and past participle arced, present participle arc·ing, 3rd person present singular arcs) |
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| Definition: |
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1. form or move in arc: to form a curve or move along a curved path
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2. electrical engineering spark across gap: to produce a luminous discharge across a gap in an electrical circuit
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| [14th century. Via French< Latin arcus "bow, curve"] |
