Cup
From Voyeurweb's Wiki about Sex
The part of a brassiere that covers her tits. The size of the breast determines the cup size of the bra. There are all kind of different bra cups with different functionality. Cups can enhance the shape of her tits, fight gravity or give additional tit viewing pleasure. Cups can be elastic in order to allow her nipples to form pokies through her clothes and on the other hand cups can have multilayers of fabric or even layers of foam in order to make her tits appear bigger than they are.
