Sentence:  Anything ["i.e.", any type of window] with a rounded top  became known as a <WSD>Palladian</WSD> and was seen as an instant evocation of history, status, class, and tradition. In some cases, an oversized <WSD>Palladian</WSD> filled an entire facade of a house. 
Meaning of the word marked with <WSD> tags:  A building or an architectural element (for example, a window) designed in the Palladian style.