D defs.my
Entry 2 senses Webster, 1913

Junction

/jŭng'-kshən/ · Junc·tion · IPA /ˈd͡ʒʌŋkʃən/
01 n. The act of joining, or the state of being joined; union; combination; coalition; as, the junction of two armies or detachments; the junctio…
  1. 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.
  2. 2.
    The place or point of union, meeting, or junction; specifically, the place where two or more lines of railway meet or cross.
Phrases & compounds
Junction plate — a covering or break-join plate riveted to and uniting the edges of sheets which make a butt joint.
Junction rails — the switch, or movable, rails, connecting one line of track with another.