1) Dress 2) Frock 
A shirtdress is a style of dress which borrows details from a man`s shirt. These can include a collar, a button front, or cuffed sleeves. Often, these dresses are made up in crisp fabrics like cotton or silk, much like a men`s dress shirt would be. As they are typically cut without a seam at the waist, these dresses often have a looser fit, usua.....
[n] - a dress that is tailored like a shirt and has buttons all the way down the front
noun a dress that is tailored like a shirt and has buttons all the way down the front