intersection

noun

in·​ter·​sec·​tion ˌin-tər-ˈsek-shən How to pronounce intersection (audio)
 especially in sense 1  ˈin-tər-ˌsek-
1
: a place or area where two or more things (such as streets) intersect
2
: the act or process of intersecting
3
a
: the set of elements common to two or more sets
especially : the set of points common to two geometric configurations
b
: the operation of finding the intersection of two or more sets

Illustration of intersection

Illustration of intersection
  • a intersection 3a

Examples of intersection in a Sentence

The accident occurred at a busy intersection. two possible points of intersection the intersection of line A and line B
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Combs' case was particularly challenging, wading into the murky intersections of consent and coercion, celebrity, complex workplace dynamics and the myriad ways that people cope with trauma. Edward Segarra, USA Today, 3 Oct. 2025 Even still, the experts who work at the intersection of climate change and finance say that both companies and markets fail to grasp the extent of these risks. Justin Worland, Time, 3 Oct. 2025 The victim, who was standing at the back of their vehicle at the intersection of East Deerhill Drive and South Marsala Avenue, was taken to a local hospital for treatment, according to the release. Alex Brizee, Idaho Statesman, 3 Oct. 2025 The Rio Claro development will bring 1,914 homes southeast of the intersection of Bonds Ranch Road and Morris Dido Newark Road. Ella Gonzales, Fort Worth Star-Telegram, 3 Oct. 2025 See All Example Sentences for intersection

Word History

First Known Use

1559, in the meaning defined at sense 2

Time Traveler
The first known use of intersection was in 1559

Browse Nearby Words

Cite this Entry

“Intersection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intersection. Accessed 5 Oct. 2025.

Kids Definition

intersection

noun
in·​ter·​sec·​tion ˌint-ər-ˈsek-shən How to pronounce intersection (audio)
1
: the act or process of intersecting
2
: the place or point where two or more things and especially streets intersect
a busy intersection
3
: the set of mathematical elements shared by two or more sets
especially : the set of points shared by two geometric figures

More from Merriam-Webster on intersection

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