wheel-window

The gable is pierced above these windows with a small but beautiful wheel-window of eight pointed compartments, each trifoliated; the divisions being moulded in one order, and converging to a central ring, itself pierced to admit the light.

The "Ladies of Llangollen" as Sketched by Many Hands; with Notices of Other Objects of Interest in "That Sweetest of Vales" John Hicklin

But the true romance of handiwork at Siena is to be seen in the wondrous stalls of the choir, under the coloured light of the great wheel-window.

Italian Hours Henry James 1879

Every sort of ornament that could be thought of seems to have been crammed into the cathedral in one place or another: gilding, frescos, pictures; a roof of blue, spangled with golden stars; a magnificent wheel-window of old painted glass over the entrance, and another at the opposite end of the cathedral; statues, some of marble, others of gilded bronze; pulpits of carved marble; a gilded organ; a cornice of marble busts of the popes, extending round the entire church;

Passages from the French and Italian Notebooks, Volume 2. Nathaniel Hawthorne 1834

Every sort of ornament that could be thought of seems to have been crammed into the cathedral in one place or another: gilding, frescos, pictures; a roof of blue, spangled with golden stars; a magnificent wheel-window of old painted glass over the entrance, and another at the opposite end of the cathedral; statues, some of marble, others of gilded bronze; pulpits of carved marble; a gilded organ; a cornice of marble busts of the popes, extending round the entire church;

Passages from the French and Italian Notebooks, Complete Nathaniel Hawthorne 1834