Illustration of intersection
- a intersection 3a
intersection
noun
in·ter·sec·tion
ˌin-tər-ˈsek-shən 
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
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
There are close to 1,000 residential units in historic buildings at the intersection of Broadway and 5th Street, Bastian said, but all the ground floor stores are closed.
—
Roger Vincent, Los Angeles Times, 19 June 2026
PennDOT is installing about $20,000 in safety improvements at a Delaware County intersection where a college math professor was killed while riding his bicycle six months ago.
—Madeleine Wright, CBS News, 18 June 2026
My work lives at the intersection of fashion, art, and cultural identity.
—Condé Nast, Condé Nast Traveler, 18 June 2026
Millennium Park in Chicago, Illinois A marker at the intersection of East Jackson Drive and South Michigan Avenue in downtown Chicago marks the Windy City start of Route 66.
—Elizabeth Rhodes, Travel + Leisure, 18 June 2026
See All Example Sentences for intersection
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Roger Vincent, Los Angeles Times, 19 June 2026
PennDOT is installing about $20,000 in safety improvements at a Delaware County intersection where a college math professor was killed while riding his bicycle six months ago.
—Madeleine Wright, CBS News, 18 June 2026
My work lives at the intersection of fashion, art, and cultural identity.
—Condé Nast, Condé Nast Traveler, 18 June 2026
Millennium Park in Chicago, Illinois A marker at the intersection of East Jackson Drive and South Michigan Avenue in downtown Chicago marks the Windy City start of Route 66.
—Elizabeth Rhodes, Travel + Leisure, 18 June 2026
See All Example Sentences for intersection
Cite this Entry
“Intersection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intersection. Accessed 20 Jun. 2026.
Copy CitationKids Definition
intersection
noun
in·ter·sec·tion
ˌint-ər-ˈsek-shən
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
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