Gueuze (or Geuze) is a type of lambic, a Belgian beer. It is made by blending young (1-year-old) and old (2- to 3-year-old) lambics, which is then bottled for a second fermentation. Because the young lambics are not fully fermented, the blended beer contains fermentable sugars, which allow a second fermentation to occur. Lambic that undergoes a se... Found on http://en.wikipedia.org/wiki/Gueuze
Gueuze is a ripe blend of old and new Belgian lambics which causes a secondary fermentation to occur resulting in a distinctive sparkling beer with a fruity, sour dry taste. Found on http://www.probertencyclopaedia.com/browse/QG.HTM
a mixture of an old and a young lambic, combining the complexity of the old lambic with the spriteliness of the young lambic
Found on https://www.encyclo.co.uk/local/20454