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

Illustration of intersection

• a intersection 3a

Synonyms

• carrefour
• corner
• crossing
• crossroad
• crossway(s)
• junction

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 collision occurred around 6:38 p.m. near the intersection of Alhambra Avenue and Elderwood Drive and Glenview Drive, according to a Saturday news release by the Martinez Police Department. —Stephanie Lam, The Mercury News, 10 Mar. 2025

The Guggenheim Bilbao’s new in situ exhibition series sits at the intersection of art, science and technology and is designed to spotlight site-specific, experiential artworks that create a dialogue with the Museum’s architecture. —Lee Sharrock, Forbes, 10 Mar. 2025

The crash occurred around 8 p.m. at the intersection of Washington Avenue and Park Street where officers responded to the report of a pedestrian being struck, according to Sgt. —Justin Muszynski, Hartford Courant, 10 Mar. 2025

At the intersection of both, both the patient and the health care system are benefiting from it. —Dr. Fatih Mehmet Gul, Newsweek, 10 Mar. 2025

Word History

First Known Use

1559, in the meaning defined at sense 2

Rhymes for intersection

• circumspection
• disaffection
• disconnection
• disinfection
• dorsiflexion
• imperfection
• indirection
• insurrection
• intellection
• interjection
• introjection
• introspection

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