Decorated with or featuring a colonnade, which is a series of columns supporting a roof or structure.
From French 'colonnade,' derived from Italian 'colonna' (column), ultimately from Latin 'columna.' The '-d' ending indicates the adjective form meaning 'having' or 'decorated with.'
Ancient Romans built colonnades because columns are both beautiful and structurally smart—they distribute weight while creating dramatic shadows that change throughout the day, which is why you still see them in banks and museums today.
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