(historical) A suggested location where the historical figure Joan of Arc, or her father, were from.

(astronomy) That part of a circle which a heavenly body appears to pass through as it moves above and below the horizon.

(geometry) A continuous part of the circumference of a circle (circular arc) or of another curve.

A curve, in general.

A band contained within parallel curves, or something of that shape.

(electrics) A flow of current across an insulating medium; especially a hot, luminous discharge between either two electrodes or as lightning.

A story arc.

(mathematics) A continuous mapping from a real interval (typically [0, 1]) into a space.

(graph theory) A directed edge.

(basketball, slang) The three-point line.

(film) An arclight.

(transitive, intransitive) To move following a curved path.

(transitive) To shape into an arc; to hold in the form of an arc.

(intransitive) To form an electrical arc.