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