- (especially in Spain) a series of casks, graded according to age, in which sherries and brandies are stored while maturing.
- a classification for the sherries or brandies having the greatest maturity in a solera.
- a system for aging sherry and other fortified wines, in which younger wines in upper rows of casks are used to top up casks of older wines stored below in order to produce a consistently aged blend
- a blend of sherry produced by this system
