The __ Arch in St. Louis Marks Start of the West

This page is the CodyCross answer for the clue below from The Netherlands, Group 2109, Puzzle 4 (Eindhoven University).

Question is: The __ Arch in St. Louis Marks Start of the West

and the answer is: GATEWAY

Word Meaning:

GATEWAY — A passage that can be closed by use of a gate.

Definitions from Wiktionary.

The __ Arch in St. Louis marks start of the West — CodyCross Answer | CodyCross Solutions