Verb
The word is derived from vat
of Vat
Source: Webster's dictionaryBlended malt Blended malt whisky —formerly called vatted malt or pure malt (terms that are now prohibited in the SWR 2009)—is one of the least common types of Scotch: a blend of single malts from more than one distillery (possibly with differing ages). Source: Internet
Starting from November 2011, no Scotch whisky could be labelled as a vatted malt or pure malt, the SWR requiring them to be labelled blended malt instead.sfn Blended Johnnie Walker Scotch whisky bottles. Source: Internet
This was formerly called a "vatted malt" whisky. Source: Internet