A dress was a fabric garment, typically worn by women. It featured an upper portion and a skirt of varying length.
Yeoman Tonia Barrows found a medieval dress she previously thought of while on the surface of the Shore Leave Planet. (TOS: "Shore Leave")
Vanessa wore a short black evening dress when the away team from the USS Enterprise-D encountered her recreation on Theta VIII. (TNG: "The Royale")
One of the answers about "what is funny?" by The Comic for Data was "Tip O'Neill in a dress". (TNG: "The Outrageous Okona")
In 2370, Worf expressed his distaste for the dress-like design of his dress uniform, a comment William T. Riker felt was sexist. (TNG: "Liaisons")
In 2371, when Gathorel Labin offered to have a dress made for Kathryn Janeway out of an exotic material from Dedestris, she declined the generous offer and suggested a scarf instead. (VOY: "Prime Factors")
Among the items Caylem was packing for his wife was a "pretty dress". (VOY: "Resistance")
In 2374, Vic Fontaine encouraged the crew of Deep Space 9 visiting Vic's lounge to forget their usual uniforms in favor of coats and neckties (men) and dresses (women), saying they looked like a trapeze act. (DS9: "His Way")