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

• junction
• corner
• crossroad
• crossing

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 chase ended at West Raymond and South Harding streets after the Buick struck a semitruck that was turning through the intersection, according to police. —Noe Padilla, IndyStar, 24 Oct. 2025

He was known to save everything and stood at the intersection of some pivotal moments in football history. —Blair Kerkhoff, Kansas City Star, 24 Oct. 2025

The suspect crashed his vehicle at the intersection of Freedom Drive and West Morehead Street, got out and ran away. —Charlotte Observer, 24 Oct. 2025

The chat was part of a day-long event, Hollywood & Mind, which focused on an array of topics at the intersection of music, the music industry and mental health. —Jessica Nicholson, Billboard, 23 Oct. 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