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
The rally took place near the intersection of Van Ness Avenue and O'Farrell Street, where demonstrators filled sidewalks and the center median, chanting and holding signs in what organizers described as a peaceful but deliberately loud show of dissent.
—
Da Lin, CBS News, 11 Jan. 2026
Three people were killed and two others were hospitalized after two vehicles collided Saturday afternoon at an intersection on the American River Parkway near North Sacramento.
—Sacbee.com, 11 Jan. 2026
The neighborhood is near the intersection of Oakdale Road and Pleasant Grove Road in northwest Charlotte.
—Mark Price, Charlotte Observer, 11 Jan. 2026
Officers were able to find the suspect at an intersection and he was taken into custody without incident, according to officials.
—Jon Haworth, ABC News, 10 Jan. 2026
See All Example Sentences for intersection
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Cite this Entry
“Intersection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intersection. Accessed 20 Jan. 2026.
Kids 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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