noun
plural arcs
[count] a line or shape that is curved like part of a circle
technical :a brightly glowing electric current that flows across an open space between two points (such as two electrodes)
verb
arcs; arced /ˈɑɚkt/; arcing /ˈɑɚkɪŋ/
[no obj]
to move or lie in a curving path :to follow an arc-shaped course
technical :to form an electric arc
US