trass

noun
\ ˈtras \
variants: or less commonly terrace or tarras \ təˈras \
plural trasses also terraces or tarrases

Definition of trass

: a light-colored volcanic tuff resembling pozzolana in composition and occurring especially on the lower Rhine where it is ground for use in a hydraulic cement

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History and Etymology for trass

Dutch trass, terras, from French terrasse pile of earth, terrace, from Middle French

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Cite this Entry

“Trass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trass. Accessed 20 Feb. 2020.

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