What is the difference between a dress and a cocktail dress?

The difference between a dress and a cocktail dress is mainly the specificity of the term. A dress is any garment that has a bodice attached to a skirt. The term cocktail dress refers to a dress designed for events in the late afternoon and early evening. Many feature hemlines that fall between the knee and calf. On 1stDibs, shop a collection of cocktail dresses from some of the world's top boutiques.