dress shirt(redirected from Button down)
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(Clothing & Fashion) a man's shirt, usually white, worn as part of formal evening dress, usually having a stiffened or decorative front
1. a man's shirt for evening dress, usu. having French cuffs and a stiff or pleated front fastened by studs.
2. a man's tailored shirt, with long or short sleeves, buttons down the front, and a soft or starched collar, worn with a tie.