backgate
nounUK /ˈbæk.ɡeɪt/
US /ˈbæk.ɡeɪt/
A backgate is a small door at the back of a yard or building.
We left the party through the backgate so no one would see us.
OTHER MEANINGS
2. A secret or unofficial way of getting into or out of a place.
The smugglers used a backgate in the wall to move goods at night.
3. In electronics, a hidden or secondary connection point on a circuit or chip.
The engineer found a backgate that let the signal bypass the main switch.
4. A scandal or secret channel used to avoid public rules or scrutiny.
Critics called the deal a backgate that let the company skip the usual checks.