(also solera system) [mass noun] a Spanish method of producing wine, especially sherry and Madeira, whereby small amounts of younger wines stored in an upper tier of casks are systematically blended with the more mature wine in the casks below.
(also solera wine) [count noun] a blend of sherry or Malaga wine produced by the solera system.
[count noun] a wine cask, typically one with a capacity of four hogsheads, on the bottom tier of the solera system and containing the oldest wine.
