arc

Universal Words noun, verb noun 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 \