back door
noun
a door at the back or side of a building
noun
a door in two halves, with a top part that can be left open when the bottom part is shut
noun
a large flat object that you open when you want to enter or leave a building, room, or vehicle
noun
windows or doors that have two layers of glass, so that the building will be warmer and quieter
noun
a very strong door that you close to prevent fire from spreading from one room to another
verb
if a window or mirror fogs, or if you fog it, it becomes covered with steam so that you cannot see through it or in it
noun
a door cut into the floor or ceiling of a ship, plane, or building that people or things can move through
noun
a structure at the top of a building with windows on all sides to let light into the building
noun
a window that is made with two pieces of glass, each in a separate frame, that fit together so that one frame slides past the other when you want to open or close the window
noun
a door with wire or plastic net in it that lets air into a building but keeps insects out
noun
a door in two halves, with a top part that can be left open when the bottom part is shut
noun
a door without a handle that you can push open from either side and that closes automatically
noun
a frame in a wall with glass in it that lets light and air into a room and lets you see what is outside
verb
staying at the home of another person, especially a stranger, for free
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