peristyle - a colonnade surrounding a building or enclosing a court

structure, construction - a thing constructed; a complex construction or entity; "the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons"

arch - (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it

loggia - a roofed arcade or gallery with open sides stretching along the front or side of a building; often at an upper level

structure, construction - a thing constructed; a complex construction or entity; "the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons"