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 of intersection

• 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

Surveillance footage obtained by The Associated Press appears to show a white sedan, believed to be Durán Guerrero on his way to work, driving in circles near an intersection before an unmarked vehicle blocks its path. — Julianna Bragg, CNN Money, 15 July 2026

Stark was found at Broadstone Marketplace, a shopping center at the intersection of East Bidwell Street and Broadstone Parkway. — Corey Schmidt, Sacbee.com, 15 July 2026

The city currently has 46 of the company's cameras placed at key intersections across town. — Matthew Rodriguez, CBS News, 14 July 2026

The bridge spans West Markham Street at its intersection with Dennison Street. — Arkansas Online, 14 July 2026

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