A dress (also known as a frock or a gown) is a garment traditionally worn by women or girls consisting of a skirt with an attached bodice (or a matching bodice giving the effect of a one-piece garment). a woman's dress, usually with a close-fitting bodice and a long flared skirt, often worn on formal occasions. jumper, pinafore, pinny. a sleeveless dress resembling an apron; worn over other clothing. It's a one-piece garment that usually covers the body from the shoulders to somewhere between the knee and ankle. Dresses come in all shapes and styles, from casual sundresses to fancy evening gowns. They can be flowy and comfortable or tailored and chic, depending on the occasion and personal style.