Etymology
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junction (n.)

1711, "act of joining," from Latin iunctionem (nominative iunctio) "a joining, uniting," noun of action from past-participle stem of iungere "to join together" (from nasalized form of PIE root *yeug- "to join"). Meaning "place where two or more things come into union or are joined" first attested 1836, American English, originally in reference to railroad tracks.

updated on December 24, 2020

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Definitions of junction from WordNet

junction (n.)
the place where two or more things come together;
junction (n.)
the state of being joined together;
Synonyms: conjunction / conjugation / colligation
junction (n.)
the shape or manner in which things come together and a connection is made;
Synonyms: articulation / join / joint / juncture
junction (n.)
something that joins or connects;
Synonyms: conjunction
junction (n.)
an act of joining or adjoining things;
Synonyms: adjunction
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.