1. A small folded piece of paper containing approximately one ounce of morphine, heroin, or cocaine. 2. A pistol or revolver. 3. A share of loot or of any criminal income. 4. Part ownership of any establishment or racket. 5. A knife, a razor or any similar weapon. "There's a couple of pieces stashed (hidden) upstairs. Get 'em quick, I'm in a swindle (trouble)."

- american underworld dictionary - 1950