noun A passage that can be closed by use of a gate.
noun A place regarded as giving access to somewhere.
noun Any point that represents the beginning of a transition from one place or phase to another. Any thing or area of interest that tends to lead to deeper involvement.
a gateway drug
noun Any thing or area of interest that tends to lead to deeper involvement.
a gateway drug
noun A point at which freight moving from one territory to another is interchanged between transportation lines.
noun In wireless internet, an access point with additional software capabilities such as providing NAT and DHCP, which may also provide VPN support, roaming, firewalls, various levels of security, etc.
verb To make available using a gateway, or access point.