Arcs is a 4 letter English word. It's valid Scrabble word worth 6 points. It's valid Words with friends word worth 7 points.
You can make 37 anagrams from letters in ARCS (acrs).
1350-1400; Middle English ark Latin arcus bow, arch, curve
Again and again the cold scene was lighted up by the arcs of the aurora.
To the author the arcs appear distorted from those of true circles.
Those episodes were great but they lacked some of the great things that happen when you let arcs grow.
arcs of circles are then drawn to touch these three circles.
That contained under three arcs of great circles of a sphere.
Secondly, "an ellipse or oval" is composed of four arcs of circles.
These arcs have been made of both the open and enclosed type.
They are made in sets of arcs of concentric circles (see fig. 80, A).
From these arcs most of the light is emitted by the arc itself, hence the name "flame-arcs."
But at the Ends of the arcs they retain'd their Order unchanged.
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