intersection

UK: /ˈɪntə^rsɛkʃ^ən/ US: /ˌɪntɚˈsɛkʃən/ ,(in′tər sek′shən)

WordReference Random House Learner's Dictionary of American English © 2025

in•ter•sec•tion /ˌɪntɚˈsɛkʃən/   n. 

1. a place where two or more roads meet;
   junction:
   [countable] There have been many accidents at that intersection.
2. the act or fact of intersecting:
   [uncountable] the angle formed at the point of intersection.

See -sect-.

WordReference Random House Unabridged Dictionary of American English © 2025

in•ter•sec•tion  (in′tər sek′shən), n. 

1. a place where two or more roads meet, esp. when at least one is a major highway;
   junction.
2. any place of intersection or the act or fact of intersecting.
3. [Math.]
   • Also called meet, product. the set of elements that two or more sets have in common. Symbol: ∩
   • the greatest lower bound of two elements in a lattice.

• Latin intersectiōn- (stem of intersectiō). See intersect, -ion
• 1550–60

in′ter•sec′tion•al, adj. 
Synonyms

• 1. crossroads, crossing, corner.

Collins Concise English Dictionary © HarperCollins Publishers::

intersection / ˌɪntəˈsɛkʃən ˈɪntəˌsɛk-/ noun

1. a point at which things intersect, esp a road junction
2. the act of intersecting or the state of being intersected
3. a point or set of points common to two or more geometric configurations
4. Also called: product the set of elements that are common to two sets
5. the operation that yields that set from a pair of given sets. Symbol: ∩, as in A ∩ B

ˌinterˈsectional adjective