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.
Protestors started from Metcalfe Park Community Bridges' rear lot and marched across the Pick 'n Save parking lot to the intersection of N. 36th Street and W. Meinecke Avenue. Sofia Joseph, jsonline.com, 18 July 2025 The intersection of energy and cost management, occupant health and operational efficiency becomes particularly critical during summer months. Sissi Liu, Forbes.com, 18 July 2025 The crash happened just after 7 p.m. Thursday near the intersection of South Downing Street and and East Arkansas Avenue, police said. Seth Klamann, Denver Post, 18 July 2025 After those initial complaints, the city made safety improvements to the intersection that included pavement markings, directional signs and lights. John Tuohy, IndyStar, 17 July 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 29 Jul. 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

Last Updated: - Updated example sentences
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