in·​ter·​sec·​tion | \ˌin-tər-ˈsek-shən, especially in sense 2 ˈin-tər-ˌsek-\

Definition of intersection 

1 : the act or process of intersecting

2 : a place or area where two or more things (such as streets) intersect

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

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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
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Recent Examples on the Web

In addition to its own retailing operations, Amazon allows third-party dealers to list products on its marketplace network, though at times the intersection of those operations has been thorny. Sara Germano, WSJ, "Germany Opens Amazon Antitrust Probe, Adding to European Scrutiny," 29 Nov. 2018 The car rode confidently alongside other drivers, braked for pedestrians, and inched its way assertively into intersections. Andrew J. Hawkins, The Verge, "Ford’s self-driving cars are really good, but are they good enough to win?," 15 Nov. 2018 And the car will come to a halt at the first intersection. Eric Johnson, Recode, "Full Q&A: Tesla and SpaceX CEO Elon Musk on Recode Decode," 2 Nov. 2018 But luckily, the intersection of extreme heat and extreme glamour is exactly where this vacation-ready makeup comes in. Leah Prinzivalli, Allure, "The Best Waterproof Makeup for Your Eyes, Face, and Lips," 23 Oct. 2018 Now Shinola—the made-in-Detroit brand that counterintuitively launched in 2011, two years before the city led for Chapter 9 bankruptcy—is reviving this intersection at the heart of the city’s astonishingly resurgent downtown. Ingrid Abramovitch, ELLE Decor, "Inside Shinola's First Hotel in Detroit," 22 Sep. 2018 Police said the intersection will be shut down into the evening while the investigation continues. Nathan J. Fish, azcentral, "Serious crash involving 5 vehicles shuts Phoenix intersection," 13 July 2018 The officers – a man and a woman – managed to push through the intersection while one officer fired an estimated four rounds back at the assailants. Bradford Betz, Fox News, "Search underway for 3 suspects in 'ambush' shootings of 2 plainclothes detectives," 18 Aug. 2018 Locating the iPhone Days later, on April 11, 2016, Carlson and the San Francisco Police Department used the stingray to locate Hopkins in an apartment building near the intersection of 1st St. and Lansing St., in the SoMa district. Cyrus Farivar, Ars Technica, "Judge slams FBI for improper cellphone search, stingray use," 18 July 2018

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.

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First Known Use of intersection

1559, in the meaning defined at sense 1

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Statistics for intersection

Last Updated

6 Dec 2018

Look-up Popularity

Time Traveler for intersection

The first known use of intersection was in 1559

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English Language Learners Definition of intersection

: the place or point where two or more things come together; especially : the place where two or more streets meet or cross each other

: the act or process of crossing or intersecting


in·​ter·​sec·​tion | \ˌin-tər-ˈsek-shən \

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

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Comments on intersection

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living or existing for a long time

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