Learn how to say Gateway correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word gateway:
1an opening that can be closed by a gate:
we turned into a gateway leading to a cottage
a frame or arch built around or over a gate:
a big house with a wrought-iron gateway
a place regarded as giving access to another place:
Mombasa, the gateway to East Africa
a means of achieving a state or condition:
to me a home in the country was a gateway to happiness
2 Computing a device used to connect two different networks, especially a connection to the Internet.