Pronunciation

change

Singular
arc

Plural
arcs

  1. (countable) An arc is part of a circle.
  2. (countable) An arc is electricity that is jumping from one place to another. This is very bright and looks like lightning.
change

Plain form
arc

Third-person singular
arcs

Past tense
arced

Past participle
arced

Present participle
arcing

  1. (intransitive) If something arcs, it makes an electrical curve.
  2. (intransitive) If something arcs, it goes along a curved path.