Type of glass for drinking wine, most often stemware
A wine glass is a type of glass that is used for drinking or tasting wine. Most wine glasses are stemware (goblets), composed of three parts: the bowl, stem, and foot. There are a wide variety of slightly different shapes and sizes, some considered especially suitable for particular types of wine. Some authors recommend one holds the glass by the stem, to avoid warming the wine and smudging the bowl; alternately, for red wine it may be good to add some warmth. Before "glass" became adopted as a word for a glass drinking vessel, a usage first recorded in English c.
https://en.wikipedia.org/wiki/Wine_glass