plural arcs
1
: the apparent path described above and below the horizon by a celestial body (such as the sun)
2
a
: something arched or curved
b
: a curved path
the arc of a fly ball
c
basketball
: three-point line
At week's end he was shooting 40.0% from behind the arc and averaging 19.6 points.—Phil Taylor
3
: a sustained luminous discharge of electricity across a gap in a circuit or between electrodes
also
: arc lamp
4
: a continuous portion (as of a circle or ellipse) of a curved line
5
: degree measurement on the circumference of a circle
—used especially in the phrase of arc
11 minutes 3 seconds of arc
6
: a continuous progression or line of development
a story's dramatic arc
1
: to form an electric arc (see arc entry 1 sense 3)
2
: to follow an arc-shaped course
The ball arced across the sky.
: to throw, hit, or kick (something, such as a ball) on a high, arc-shaped course
After driving into the long rough, he reached for a 4-wood and arced the ball just wide of the green.—Jeff Shain
mathematics
: inverse sense 2
—used with the trigonometric functions and hyperbolic functions
1
AIDS-related complex
2
American Red Cross
ARC
5 of 5abbreviation or noun
plural ARCs
: a copy of a printed work (such as a novel or textbook) sent as a promotion prior to the official release
First, I receive a box of paperback, smaller versions of my book called advance reader copies (ARCs).—Susan Van Kirk
While some houses like Chronicle Books continued to sell on the show floor, albeit at 50% discount, many publishers offered free ARCs …—Judith Rosen
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Merriam-Webster unabridged
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