Trass(n.) A white to gray volcanic tufa, formed of decomposed trachytic cinders; -- sometimes used as a cement. Hence, a coarse sort of plaster or mortar, durable in water, and used to line cisterns and other reservoirs of water.

Words within trass

5 letter words: 2 results
4 letter words: 12 results
3 letter words: 16 results
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