arc
Pluralarcs
Pluralarcs
- 1
- 2Short for story arc. How a story or character develops from start to end, in one book or many episodes.
This season's main arc is about two sisters looking for their father.
My favorite arc in the comic is the one set on the moon.
UsagePut the character or kind of change before arc: the hero's arc, a redemption arc.
Note
- 3Electricity passing through something that normally stops it, often as a hot, bright flash like lightning.
A blue arc jumped between the two wires with a loud crack.
Welders wear dark masks because the arc is so bright.
UsageWelders strike an arc to melt metal.
Note
- 4The line in basketball where shots from behind it are worth three points.
She hit two shots from behind the arc.
Stand outside the arc and try a long shot.
UsageSay a shot is from beyond the arc.
Note
- 5
- 6
- 7To make a hot, bright flash as electricity jumps across a gap.
The old plug began to arc when I pushed it into the wall.
Blue sparks flew as the two cables arced.
UsagePower lines can arc to a tree.
Similarspark
- 8A link between two points in a graph that goes one way only.
Draw an arc from point A to point B to show the one-way link.
Each arc in the diagram shows one web page linking to another.
Note
Less common meanings
- 9To bend something into a curve, or to keep it curved.
Arc your arms over your head and hold them there.
The heavy snow arced the thin branches down to the path.
UsagePeople usually say arch your back.
Oppositestraighten
Note
- 10A strong lamp, lit by electricity jumping across a gap, used when making films.
The crew turned on a big arc to light the actors.
The film crew set up an arc to light the night scene.
Note
- 11
- 12In math, a rule that gives each number in a range a point in a space, with no sudden jumps.
Showing meanings only.
Practice
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Origin
From the Latin word arcus, meaning “a bow” or “an arch”.
Checked 31 Oct 2026 · 2 facts
- English arc derives from Latin arcus. en.wiktionary.org
- Latin arcus means “a bow” or “an arch”. en.wiktionary.org