Cocktail Glasses are
The martini glass's shape is intended to prevent drinks from separating. It is also called a martini saucer. It has an 8 - 10 oz volume. While it is a beautiful glass, it is also easy to spill. The wide mouth was created in an effort to increase the aroma of the gin found in martinis. Drinks in martini glasses are served "straight up" as there is no room for ice. The shape also keeps the cocktail cool. One belief is that the martini glass was created during prohibition. The large mouth was ideal when a drink had to be finished quickly.