Stained Glass Glossary

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Stained Glass Glossary Cartoon A full-sized design for a window or panel.

Clerestory A type of window that usually runs along the top of the nave, to provide light in parts of the church that would otherwise be dark. The windows were high up so people would not get distracted from prayer.

Cinquefoil Windows with five petal shaped sections, similar to a flower.

Dagger In tracery, an elongated lozenge shape.

Decorated Style of architecture that was popular from the late 13thc to the mid 14thc, often using tall columns and elaborate window tracery.

Hoodmould Outer edging of windows.

Lancet Tall, narrow windows with a sharp pointed arch at the top.

Light Vertical division of a window.

Lead Lead is used to join smaller panes of glass together. It is very toxic and must not be touched.

Mullion Upright stone section of a window. Divides the window into a number of lights.

Perpendicular Architectural style from mid 14thc – late 16thc.

Quatrefoil Windows with four petal shaped sections.

Rose Round windows that often have elaborate tracery and lots of decorated stained glass. They are usually facing the altar.

Silver Stain Silver stain is used to create a yellow colour on clear glass. The technique of silver stain involves painting silver compounds (such as silver nitrate, chloride, sulphate or oxide) onto a piece of glass and then firing (heating) it in the kiln.

Tracery Openwork pattern of stonework or wood at the top of a window.

Trefoil Windows with three petal shaped sections.

Vidimus The approved design of a window, before the cartoon is made.