"Stained glass" refers to decorative glass that is colored or painted with various designs. It is often used in windows or artwork, allowing colorful light to shine through and create beautiful patterns. Full definition
I look forward to seeing what happens to my work under the light of stained glass windows. (jflynch.com)
The chemistry of creating small clusters and nanoparticles of gold goes back more than 1000 years to the production of stained glass windows. (pnnl.gov)
There she also worked in stain glass, creating window pieces, lamp shades, and small boxes. (cooperalumni.org)