Rez-de-chauss\'eeRez`-de-chaus`s['e]e"\, n. [F., lit., level of the street. See Raze, v. t., and Causey.] (Arch.) The ground story of a building, either on a level with the street or raised slightly above it; -- said esp. of buildings on the continent of Europe. Tier above tier of neat apartments rise over the little shops which form the rez-de-chauss['e]e. --The Century.