in·​ter·​sec·​tion | \ ˌin-tər-ˈsek-shən How to pronounce intersection (audio) , especially in sense 1 ˈin-tər-ˌsek- \

Definition of intersection

1 : a place or area where two or more things (such as streets) intersect
2 : the act or process of intersecting
3a : 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 People doubted that a new bar — situated among various small businesses, at a busy intersection in Koreatown with slim parking opportunities (especially before the ride-sharing business boom) — would flourish. Evan Nicole Brown, The Hollywood Reporter, 25 June 2022 DeKalb County firefighters had their hands full Thursday morning, June 23, 2022 with a tractor-trailer fire at a busy intersection that shut down traffic on North Druid Hills Road and affected traffic on I-85. Henri Hollis, ajc, 23 June 2022 The Portland Bureau of Transportation classifies the street crossing as a high-crash intersection. oregonlive, 22 June 2022 At least one person died Friday morning when a pickup pursued by law enforcement crashed in a North County intersection. City News Service, San Diego Union-Tribune, 17 June 2022 Two vehicles, a pickup truck and an old four-door sedan were piled up at a busy intersection. Matt Rivers, CNN, 17 June 2022 Yet there are still fair discussions to be had about the intersection of politics, personal beliefs, and corporate America. Jacob Carpenter, Fortune, 16 June 2022 Emergency vehicles lined the entire block surrounding the church, which is near a busy intersection and shopping district. Carol Robinson |, al, 16 June 2022 Proceeding further east, the Cedar Avenue extension would include a leg turning north to create a T intersection at Carnegie Avenue, just east of the Innerbelt. Steven Litt, cleveland, 15 June 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'intersection.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of intersection

1559, in the meaning defined at sense 2

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Time Traveler for intersection

Time Traveler

The first known use of intersection was in 1559

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Dictionary Entries Near intersection

intersecting arcade



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Statistics for intersection

Last Updated

28 Jun 2022

Cite this Entry

“Intersection.” Dictionary, Merriam-Webster, Accessed 2 Jul. 2022.

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More Definitions for intersection


in·​ter·​sec·​tion | \ ˌin-tər-ˈsek-shən How to pronounce intersection (audio) \

Kids Definition of intersection

1 : the act or process of crossing or passing across the intersection of line A and line B
2 : the place or point where two or more things (as streets) meet or cross each other
3 : the set of mathematical elements common to two or more sets

More from Merriam-Webster on intersection

Nglish: Translation of intersection for Spanish Speakers

Britannica English: Translation of intersection for Arabic Speakers


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