What is a palladium window?

Question

This is a window for a house but what does it look like and what about the design makes it a palladium window?

Answer 1

A Palladian window is a large rectangular window, topped with a semi-circular window. It also has 2 narrow rectangular windows the same height as the main rectangle on each side.

It is not a brand name, many manufacturers make this style.

http://ah.bfn.org/a/DCTNRY/p/pallad.html

Answer 2

brand name