What is "union suits"

Usage examples of "union suits".

While the master and the mistress were away and the girls asleep or otherwise occupied, some person or persons unknown tiptoed up the back stairs to the matrimonial bedroom and pocketed Mrs Borden's gold watch and chain, the coral necklace and silver bangle of her remote childhood, and a roll of dollar bills Old Borden kept under clean union suits in the third drawer of the bureau on the left.

They proved to be queer-looking garments, like union suits, but large enough to go on over their clothes.

Find enough money to buy a knife with a six-inch blade in place of that two-inch pocketknife, anybody that turns his back on him had sho enough better be wearing one of them old-time iron union suits like you see in museums.

Doc Savage and his aids wore bulletproof garments that resembled long union suits.