junc·tion | \ˈjəŋ(k)-shən \

Definition of junction 

1 : an act of joining : the state of being joined

2a : a place or point of meeting

b : an intersection of roads especially where one terminates

c : a point (as in a thermocouple) at which dissimilar metals make contact

d : an interface in a semiconductor device between regions with different electrical characteristics

3 : something that joins

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Other Words from junction

junctional \ˈjəŋ(k)-shnəl, -shə-nᵊl \ adjective

Examples of junction in a Sentence

a junction of nerves and muscle the junction of Route 12 and Route 87

Recent Examples on the Web

Tide and wind propelled him southward, toward the bay’s junction with the Atlantic. Earl Swift, Outside Online, "The Incredible True Story of the Henrietta C.," 20 June 2018 Leo Willwerth, 31, of East Boston, was stopped by state troopers around 3:15 p.m. near the junction of Route 93 and Melnea Cass Boulevard, police said. Alana Levene, BostonGlobe.com, "Peabody bank robbery suspect arrested after fleeing to Boston in taxi," 11 June 2018 Pointing out when to turn off or onto a road at a junction7. Fox News, "20 reasons why you may be a backseat driver," 7 June 2018 The maps might as well have been drawn by grandparents who hadn’t returned to their native town in two generations but wanted their descendants to find that one little corner shop, the garden where, a junction at which. Frances Leech, Longreads, "Forgetting the Madeleine," 3 May 2018 This quake, however, probably occurred within one of those crust slabs, not at their junction, according to the U.S. Geological Survey’s Earthquake Hazards Program. Josh Fischman, Scientific American, "Why the Giant Mexican Earthquake Happened," 8 Sep. 2017 Just across the state line, the road descends in a series of steep, 20-mph switchbacks toward its junction with Highway 259, where drivers can either exit toward Poteau, Okla., or continue the remaining 28 miles to the end of Talimena Drive. Kiona Smith-strickland, Popular Mechanics, "The Talimena Scenic Drive: Fall Leaves in the Ouachitas," 3 Oct. 2013 Otherwise, go either way at the junction for a 2-mile downhill trek to viewing decks at the edge of the lake. Mare Czinar, azcentral, "Flagstaff hike: Rogers Trail hike is a lovely walk in the woods," 5 July 2018 The Half Traverse travels from Little Coal Creek to just beyond the Ermine Hill trail junction. Anchorage Daily News, "Marvin crushes women’s record, places 2nd overall at Kesugi Ridge Run," 26 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'junction.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of junction

1711, in the meaning defined at sense 1

History and Etymology for junction

Latin junction-, junctio, from jungere to join — more at yoke

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Dictionary Entries near junction





junction box



Phrases Related to junction

box junction

Statistics for junction

Last Updated

6 Oct 2018

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Time Traveler for junction

The first known use of junction was in 1711

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More Definitions for junction



English Language Learners Definition of junction

: a place where two things join

: a place where roads or railroad lines come together

: a road or ramp that you use when getting off a highway


junc·tion | \ˈjəŋk-shən \

Kids Definition of junction

1 : a place or point where two or more things meet

2 : an act of joining


junc·tion | \ˈjəŋ(k)-shən \

Medical Definition of junction 

: a place or point of meeting the structure of the synaptic junction as revealed by electron microscopy — see neuromuscular junction

Other Words from junction

junctional \-shnəl, -shən-ᵊl \ adjective

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Comments on junction

What made you want to look up junction? Please tell us where you read or heard it (including the quote, if possible).


not any or not one

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