'Quass' definitions:

Definition of 'Quass'

From: GCIDE
  • Quass \Quass\, n. [Russ. kvas'.] A thin, sour beer, made by pouring warm water on rye or barley meal and letting it ferment, -- much used by the Russians. Called also kvass. [written also kvass and quas.] [1913 Webster + PJC]

Definition of 'quass'

From: GCIDE
  • kvass \kvass\, n. [Russ. kvas'.] A thin, sour beer, made by pouring warm water on rye or barley meal and letting it ferment, -- much used by the Russians. [written also quas and quass.] [1913 Webster + PJC]