A style of tightfitting men's swimming costume cut like underwear briefs that covers the buttocks and groin but not the legs and reveals the bulge of the genitals; especially worn in surf lifesaving and in swimming races.
A one-piece swimsuit, which may cover both the chest and the crotch (as contrasted with a bikini, which consists of two pieces).
The lower part of a bikini without the upper part (i.e., topless).