/ahrk/ , n. , v. , arced /ahrkt/ or arcked, arcing /ahr"king/ or arcking .
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. spark 1 (def. 2).
3. Astron. the part of a circle representing the apparent course of a heavenly body.
4. anything bow-shaped.
5. to form an electric arc.
6. to move in a curve suggestive of an arc.
[ 1350-1400; ME ark arcus bow, arch, curve ]