junction

UK: /ˈdʒʌŋkʃ^ən/ US: /ˈdʒʌŋkʃən/ ,( jungk′shən)

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

junc•tion /ˈdʒʌŋkʃən/   n. [countable]

1. a place or point where two or more things meet or are joined, such as a station where railroad lines meet, cross, or diverge, or an intersection of roads.

See -junc-.

WordReference Random House Unabridged Dictionary of American English © 2025

junc•tion  ( jungk′shən), n. 

1. an act of joining;
   combining.
2. the state of being joined;
   union.
3. a place or point where two or more things are joined, as a seam or joint.
4. a place or point where two or more things meet or converge.
5. Rail Transport a place or station where railroad lines meet, cross, or diverge.
6. Transport an intersection of streets, highways, or roads.
7. something that joins other things together:
   He used the device as a junction between the branch circuit and the main power lines.

• Latin junctiōn- (stem of junctiō), equivalent. to junct(us), past participle of jungere to join (jung- join + -tus past participle suffix) + -iōn- -ion
• 1705–15

junc′tion•al, adj. 
Synonyms

• 3. union, linkage, coupling; welt.
• 7. connection.
  Junction, juncture refer to a place, line, or point at which two or more things join. A junction is also a place where things come together:
  the junction of two rivers.
  A juncture is a line or point at which two bodies are joined, or a point of exigency or crisis in time:
  the juncture of the head and neck; a critical juncture in a struggle.

Collins Concise English Dictionary © HarperCollins Publishers::

junction / ˈdʒʌŋkʃən/ noun

1. a place where several routes, lines, or roads meet, link, or cross each other: a railway junction
2. a point on a motorway where traffic may leave or join it
3. a contact between two different metals or other materials: a thermocouple junction
4. a transition region between regions of differing electrical properties in a semiconductor
5. the act of joining or the state of being joined

Etymology: 18th Century: from Latin junctiō a joining, from junctus joined, from jungere to join