portico

A porch or walkway with a roof supported by columns, often leading to the entrance of a building.

In architecture, a structure consisting essentially of a roof supported on at least one side by columns, sometimes detached, as a shady walk, or place of assemblage, but generally, in modern usage, a porch or an open vestibule at the entrance of a building; a colonnade.

A colonnade or covered ambulatory, especially in classical styles of architecture; usually, a colonnade at the entrance of a building.

A porch, or a small space with a roof supported by columns, serving as the entrance to a building.

a porch or entrance to a building consisting of a covered and often columned area