Other forms: gateways
A gateway is an opening with a gate, or a way into something larger. A stone gateway, the gateway to the north, a payment gateway.
The figurative sense is much the commoner: a gateway city is the way into a region, and a gateway drug is claimed to lead to harder ones, an idea that is much disputed. In computing a gateway is the point where one network hands traffic to another.
1noungatewayAn opening with a gate, or a way into something larger.
“They walked through the stone gateway into the castle garden.”
gateway is an opening.
Gate plus way. Gate is Old English geat, an opening, and the compound dates from the sixteenth century.
From gate + way.
Etymology from Wiktionary, CC BY-SA