A tight-fitting women's top, often strapless, with covers the bust and sometimes extends over the belly, worn either as an undergarment or as outerwear.
A kind of bra without an underwire, used as a training bra.
A bustier (, alternatively bustiere) is a form-fitting garment for women traditionally worn as lingerie. Its primary purpose is to push up the bust by tightening against the upper midriff and forcing the breasts up while gently shaping the waist.
A bralette is a lightweight bra without an underwire, designed primarily for comfort. Bralettes are also sometimes worn as outerwear top, and are also designed as undershirts for girls developing breasts.