An enclosure or a curtilage.
If the yard is enclosed by 4 sides, it could be referred to as a "quadrangle"
The noun 'yard' is a singular, common, concrete noun; a word for a linear measure; the grounds of a building; a small enclosed piece of land; an area of buildings and equipment associated with a business; a word for a thing.
The word courtyard originated as a descriptive word meaning an enclosed space. Both "court" and "yard" come from the same root, meaning central part or core.
street yard
The definition of a junk yard is obvious. It is a big yard where people let their junk or trash stay.
The area covered by an enclosed figure
a portion of an ocean or sea partly enclosed byland
Definition of the amount of concrete that (by volume) will fill on cubic yard of space.
Fear of enclosed spaces. (ex. elevators or small rooms)
i have critters, definition here,in my back yard.
I guess so. "Shape" does not have that precise a definition.
enclosure