gateway

/ˈɡeɪtweɪ/
adjective
  1. Serving as an entry point or introduction to something.
    • They offer a gateway course for beginners in programming.
    • The first book in the series is a gateway novel for young fantasy readers.
    • The gateway drug theory suggests that marijuana can lead to harder drugs.
noun
  1. An opening or entrance that can be closed by a gate.
    • The stone gateway led into a beautiful garden.
    • The castle's gateway was flanked by two tall towers.
    • They painted the wooden gateway a bright red to match the house.
  2. A means of access or entry to something, often figuratively.
    • Education is a gateway to a better future.
    • The new airport became a gateway for tourists visiting the region.
    • Learning a second language can be a gateway to understanding another culture.
  3. A device or software that connects two different networks, especially the internet.
    • The router acts as a gateway between your home network and the internet.
    • A payment gateway processes credit card transactions on the website.
    • The network administrator configured the gateway to filter incoming traffic.
Antonyms
What does "gateway" mean? | whatsthatwordmean | whatsthatwordmean