The angled windows are also sometimes called "coffin windows." The idea there is that if somebody dies upstairs you would put them in a coffin and lower it out of the angled window to the roof ...

Known as projection windows because they extend from the building, bay windows consist of three sections: a window in the center flanked by an angled window on either side.

The recessed windows of its signature southern wall are slanted at precisely 72 degrees, the angle at which the sun’s rays beat down here on the day of the summer solstice.