A bathing costume
One who bathes (cleans oneself with water, for example in a bathtub).
One who immerses oneself in water for pleasure or refreshment: one who swims (for example at a lake or beach).
A sunbather
One who gives a bath to another.
the garments that one wears when bathing in the sea or a swimming pool, especially the one-piece garment worn by women and girls.