Pronunciation: (ärk), [key]
—n., v., arcedPronunciation: (ärkt) [key]or arcked, arc•ingPronunciation: (är'king) [key]or arck•ing.
1. Geom.any unbroken part of the circumference of a circle or other curved line.
2. Also called electric arc. Elect.a luminous bridge formed in a gap between two electrodes. Cf. spark1 (def. 2).
3. Astron.the part of a circle representing the apparent course of a heavenly body.
4. anything bow-shaped.
1. to form an electric arc.
2. to move in a curve suggestive of an arc.
American Red Cross. Also,A.R.C.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.