1 (geometry) part of a circle or a curved line:
to draw an arc using a compass
2 a curved shape:
the arc of a rainbow * The beach swept around in an arc.
3 (technical) an electric current passing across a space between two TERMINALS
seealsoARCLAMP
verb (arcing , arced) [V] (technical)
1 to move in the shape of an arc
2 to form an electric arc
\
