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Aisle & Apse Read the building

Features / Walls, arches & windows

Walls, arches & windows

Oculus

A plain round window or opening, without tracery; also the round opening at the top of a dome.

Where to look
A round "eye" in a gable, a drum, or the crown of a dome.
Styles
On the drawings
Not marked on the drawings.

Not sure of the style? Use the Style Finder

Cross-section of a vaulted building with a nave, two aisles and flying buttresses. Each label links to its feature. NAVE AISLE AISLE RoofPinnacleFlying buttressButtressAisleRib vaultClerestoryTriforiumArcadePierNave
Cross-sectionFor orientation: Oculus is not drawn here.