Longman Dictionary of Contemporary English
Wiktionary
n. A tight-fitting garment worn for swimming, especially the one piece garment worn by women and girls; a swimsuit.
WordNet
n. tight fitting garment worn for swimming [syn: swimsuit, swimming costume, bathing costume]
Usage examples of "bathing suit".
Her husband is beside the house, wearing his bathing suit and flipflops, washing the car.
David Carver also began to run after his wife, his gut bouncing up and down above his ridiculously tiny bathing suit, his flipflops smacking the sidewalk and making a noise like cap-pistols.
Dave Carver (looking to Gary like a boiled lobster in the bathing suit he was wearing a soap-crusted boiled lobster, at that) was pulling his son in a little red wagon.
Farther down the block she saw more people: David Carver, wearing a bathing suit that looked almost obscenely tight, standing on his walk, hands planted on his meaty hips .
There was an enormous hole in his stomach above the bathing suit he always wore when he washed the car.