A u003ca href=u0022https://www.thespruceeats.com/bar-glassware-tour-759984u0022u003ehighball glassu003c/au003e is a tall, cylindrical drinking glass that's typically used for alcoholic beverages served on ice, like a u003ca href=u0022https://www.brighteyedbaker.com/classic-mojito/u0022u003emojitou003c/au003e or a u003ca href=u0022https://www.brighteyedbaker.com/cucumber-mint-gin-fizz/u0022u003egin fizzu003c/au003e. It's very similar to a Collins glass (which is just a bit taller and more narrow), and either will work for this recipe.