arc
noun
plural arcs
Definition of arc
(Entry 1 of 4)
1
: the apparent path described above and below the horizon by a celestial body (such as the sun)
2a
: 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
verbDefinition of arc (Entry 2 of 4)
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
arc
adjectiveDefinition of arc (Entry 3 of 4)
mathematics
: inverse sense 2
—used with the trigonometric functions and hyperbolic functions
ARC
abbreviationDefinition of ARC (Entry 4 of 4)
1
AIDS-related complex
2
American Red Cross
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