[1] : The Collaborative International Dictionary of English v.0.48

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
see also:
quas quass 

[2] : The Collaborative International Dictionary of English v.0.48

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
see also:
kvass quas 

Quass >> Q Words
Quass, definition of term: Quass
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