It is the diminutive of pluteus, a shed or penthouse, from its conical cap.
The car whisked them up to the penthouse which topped it, and they landed on the terrace.
Nicholas was watching him from under the penthouse of his eyebrows.
This formed a species of penthouse, which they placed in the moat.
The arrows aimed at them rebounded from the roof of the penthouse.
I do not breathe in the penthouse in which they would immure my soul.
Making his way through the penthouse he passed on to the roof.
As I examined it he watched me in silence from beneath his penthouse brows.
He lies buried—in my name—within the walls of Penthouse Prison.
Edestone first went over and examined this penthouse with great care.