wineglass I. \ˈ ̷ ̷ˌ ̷ ̷\noun 1.: a drinking glass that is used for serving wine and has a foot and stem and a variously shaped cup holding from four to six ounces 2.: a unit of measure that is used in mixing drinks and is equal to four ounces II. adjective : having the shape of a wineglass < lawns … covered with wineglass elms and willows — Van Wyck Brooks >