/ Dictionary / Index J junction: Meaning and Definition of Find definitions for: junc•tion Pronunciation: ( jungk'shun), [key] — n. an act of joining; combining. the state of being joined; union. a place or point where two or more things are joined, as a seam or joint. a place or point where two or more things meet or converge. a place or station where railroad lines meet, cross, or diverge. an intersection of streets, highways, or roads. something that joins other things together: He used the device as a junction between the branch circuit and the main power lines. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: junction (Thesaurus) junco junction box Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language