nounsword-request
Looking at the definition of roof, I read that it is the structure that covers the top of a building.
Suppose that the house shown in the picture didn't have a porch and the garage was extending more outside the house. What word should I use for the (structure covering the) top of the garage? Could I use roof, or should I use a different word?
There are a lot of factors at work here.
As Barrie mentioned, doors that open to the backyard are called patio doors. Patio doors can have two styles: sliding, or hinged.
In the U.S., the sliding style doors are often called "sliding glass doors." The term "French doors" is used for double doors that open outward or inward, particularly when they are made of paned glass.
I found these two images on a retail web site:
The door on the left is listed as a Sliding Patio Door; the one on the right is a French Inswing Patio Door. However, in day-to-day conversation, I'd probably refer them as "the sliding glass door" or "the French doors" – although either of them could be called "the patio door."
With all that said, though, I still found a website that sells "French-Style Sliding Doors," which sounds like an oxymoron to me.
In the U.S., at least, either "laundry" or "wash" would convey your meaning. I think "laundry" is more commonly used. Either can mean the clothes themselves, or a place or state where clothes go for the cleaning process.
"Please put your dirty clothes in the laundry."
"Please put your dirty clothes in the wash."
"I put the laundry in the washing machine."
"Sally folded the laundry."
"Put the laundry away."
But once you put it in the drawer or hang it in the closet, it's not laundry any more; it's just clothes!
Best Answer
It's still a roof. You might qualify it and say the garage roof or the roof over the garage if you want to be specific.