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

For example, crime maps might show incidents at the nearest intersection rather than exact addresses. —Don Murray, Forbes.com, 8 May 2025

The coach’s family has lived at the intersection for more than 50 years, relatives said. —Kerry Burke, New York Daily News, 8 May 2025

Related Stories Mother and Father of 5 Killed in 7-Car Crash in Chicago Sheriff’s Deputy Killed After His Vehicle Splits in Half During Stolen Car Chase The crash occurred at the intersection of U.S. 40 and Ronald Reagan Parkway, the outlet reported. —Madison E. Goldberg, People.com, 8 May 2025

Jernigan will help launch a Composer division within Range Music, which has already been active at the intersection of music & TV through the representation of talent like music supervisor Andrea von Foerster (Yellowstone, Landman). —Matt Grobar, Deadline, 8 May 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