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

Police responded to multiple calls just before 12:30 a.m. for a street takeover and fireworks being shot off at the intersection of Wakelee Avenue and Franklin Street, the Ansonia Police Department said. —Sean Krofssik, Hartford Courant, 27 Apr. 2025

Jason O'Bryan Jason O'Bryan has set up a professional life at the intersection of writing and cocktails. —Jason O'Bryan, Robb Report, 26 Apr. 2025

The Fashion Los Angeles Awards took place on Thursday in Beverly Hills, honoring key figures shaping the intersection of fashion and entertainment. —Renan Botelho, Footwear News, 25 Apr. 2025

Turn lanes will be added on Indiana 149 and work will be done to improve the sight lines at the intersection. —Post-Tribune, Chicago Tribune, 24 Apr. 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