There are a lot of houses in Scarborough (the suburb of Toronto) that have Milk Doors. Some people nail them shut, but others just leave them as-is since they l

There are a lot of houses in Scarborough (the suburb of Toronto) that have Milk Doors. Some people nail them shut, but others just leave them as-is since they lock both on the outside and the inside. I was told there was a specific word for them, but I don't remember it and my google fu is failing me right now.