Plunging Neckline refers to a type of neckline in which a V or U shape is cut down to the bust Line or farther, usually having halter or Tank straps. Plunging Neckline is best for sm all busted and/or slim figures.
Plunging Neckline also refers to bra cups or bodice neckline that is cut to form a V-shape, thus revealing more cleavage than other styles.