Reference meaning
trass
Last updated
A whitish, greyish volcanic tufa, formed of decomposed trachytic cinders, sometimes used as a cement.
Other meanings
2. noun
A coarse sort of plaster or mortar, durable in water, formerly used to line cisterns and other reservoirs of water.
Source and scope
This definition is reproduced from English Wiktionary, sense en-trass-en-noun-BM4GnmK9, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.