Wine stocks are the collections of wine bottles kept by wine enthusiasts, connoisseurs, and professionals. Synonyms for wine stocks could be wine reserves, wine collections, wine cellars, and wine libraries. Wine reserves could refer not only to the quantity but also the quality of the wine in stock. Similarly, the term wine cellars could denote a wine storage structure, while wine libraries could suggest an extensive collection of wines that includes rare and vintage bottles. Collectors may also refer to their wine stocks as wine inventories or wine portfolios. In any case, wine stocks refer to the treasured collections of wine that wine lovers have spent time and money to amass.