Junction (?), n. [L. junctio, fr. jungere, junctum, to join: cf. F. jonction. See Join.]
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1. The act of joining, or the state of being joined; union; combination; coalition; as, “the junction of two armies or detachments; the junction of paths.”
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2. The place or point of union, meeting, or junction; specifically, the place where two or more lines of railway meet or cross.
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Junction plate (Boilers), a covering or break-join plate riveted to and uniting the edges of sheets which make a butt joint. -- Junction rails (Railroads), the switch, or movable, rails, connecting one line of track with another.
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