junction

US /ˈdʒʌŋk.ʃən/
UK /ˈdʒʌŋk.ʃən/
"junction" picture
1.

a point where two or more things are joined

:
The accident happened at the junction of two main roads.
This is a critical junction in the railway network.
2.

the action or fact of joining or being joined

:
The junction of the two rivers creates a wider channel.
The smooth junction of the new and old parts of the building was impressive.