arc

1 of 5

noun

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

arc

2 of 5

verb

arced ˈärkt How to pronounce arc (audio) ; arcing ˈär-kiŋ How to pronounce arc (audio)

intransitive verb

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.

transitive verb

: 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

arc

3 of 5

adjective

mathematics
: inverse sense 2
used with the trigonometric functions and hyperbolic functions

ARC

4 of 5

abbreviation

1
AIDS-related complex
2
American Red Cross

ARC

5 of 5

abbreviation 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 ARCsJudith Rosen

Examples of arc in a Sentence

Noun He bent the twig into an arc. The ball floated in a high arc. Verb The arrow arced through the air. A light arced across the sky. The island chain arcs from north to south.
Recent Examples on the Web
Noun
Earlier this week, the Warriors shot an earth-shattering 63.4% from behind the arc to stun the Lakers. Danny Emerman, The Mercury News, 13 Apr. 2024 Virginia stretched that arc of accountability even further this week to include a school official in that case, who a grand jury concluded had failed to act on warnings about the boy and his behavioral problems. Petula Dvorak, Washington Post, 11 Apr. 2024 Joker's initial on-screen love interest, Sophie Dumond, is set to appear in Folie à Deux, with Zazie Beetz reprising the role after her character's arc came to an ambiguous end in the first film. EW.com, 10 Apr. 2024 Then the two orbs in the sky parted ways, each again tracing its own separate arc through space. USA TODAY, 8 Apr. 2024 In This Tournament: That improvement from beyond the arc came in handy for the Gamecocks in their one close game in this tournament. Will Ujek, NBC News, 6 Apr. 2024 Along the very edge of the disappearing sun at the start and end of totality, an arc of ruby red or fuchsia associated with the solar chromosphere appeared. Brayden Garcia, Fort Worth Star-Telegram, 5 Apr. 2024 The path of totality on April 8 will be an arc traveling northeast from Mexico across the United States and over eastern Canada. The Arizona Republic, 3 Apr. 2024 But the slow-burn arc of the role isn’t quite within his grasp. David Benedict, Variety, 3 Apr. 2024
Verb
The biggest astronomical event of the year − an April 8 total solar eclipse that will arc across a swath of the United States from Texas to Maine − will be a more inclusive spectacle because of a combination of technology and awareness. USA TODAY, 30 Mar. 2024 The play traces the evolution of our country’s economy, arcing in parallel with a great American dynasty. Sophia Nguyen, Washington Post, 29 Feb. 2024 Wild kingdom The last time a total solar eclipse arced over the United States was in 2017. Ashley Strickland, CNN, 16 Mar. 2024 The alignment is visible only within a narrow band, the path of totality, which will arc across North America on April 8. Katie Peek, Scientific American, 2 Feb. 2024 The Parisian river is the fifth-largest in France and winds directly through the heart of the country’s capital city, with dozens of famous bridges arcing over it. Sean Neumann, Peoplemag, 29 Feb. 2024 The old tunnel follows a curvy track under Bolton Hill, Upton and Sandtown-Winchester while the new one will arc smoothly to the north under Reservoir Hill and Penn North before emerging near a new West Baltimore MARC station. Dillon Mullan, Baltimore Sun, 7 Feb. 2024 Virgin Galactic During about three minutes of weightlessness, as Unity arced over the top of its trajectory, the passengers were able to unstrap, float about the cabin and take in spectacular views of Earth far below, before returning to their seats for the plunge back into the lower atmosphere. William Harwood, CBS News, 26 Jan. 2024 The 196-foot-tall (60-meter) rocket arced toward the east through a clear sky, then jettisoned its five boosters to fall into the Atlantic Ocean. Stephen Clark, Ars Technica, 11 Sep. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'arc.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Noun and Verb

Middle English ark, from Anglo-French arc bow, from Latin arcus bow, arch, arc — more at arrow

Adjective

arc sine arc or angle (corresponding to the) sine (of so many degrees)

Abbreviation or noun

advanced reader copy

First Known Use

Noun

14th century, in the meaning defined at sense 1

Verb

1883, in the meaning defined at sense 1

Adjective

circa 1949, in the meaning defined above

Abbreviation Or Noun

2006, in the meaning defined above

Time Traveler
The first known use of arc was in the 14th century

Dictionary Entries Near arc

Cite this Entry

“Arc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arc. Accessed 18 Apr. 2024.

Kids Definition

arc

1 of 2 noun
1
a
: something curved
b
: a curved path
2
: a glowing flow of electricity across a gap in a circuit or between electrodes
3
: a continuous portion of a curved line (as part of the circumference of a circle)

arc

2 of 2 verb
1
: to form an electric arc
2
: to follow an arc-shaped course

Medical Definition

arc

1 of 2 noun
1
: an arched or curved anatomical part, distance, or pathway see reflex arc
2
: a sustained luminous discharge of electricity across a gap in a circuit or between electrodes

ARC

2 of 2 abbreviation
1
AIDS-related complex
2
American Red Cross

More from Merriam-Webster on arc

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