The term 'Wineglass Parts' refers to the components of a wineglass, which typically consists of a bowl, stem, and foot. The crossword solution for the term is 'STEMS, ' which is a five-letter word. The stem of a wineglass is the slender part that connects the bowl to the foot, and it is usually made of glass or crystal. The stem is designed to keep the heat of the hand away from the bowl, so that the temperature of the wine is not affected.