picayune(redirected from picayunes)
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Picayune(pĭkəyo͞on`), city (1990 pop. 10,633), Pearl River co., S Miss., near the Pearl River and the La. line; inc. 1904. It is the trade, processing, and shipping center for an agricultural area with cotton, corn, pecans, cattle, and dairying. Manufactures include elevators, chemicals, polyurethane, metal containers, and computer equipment. NASA's Stennis Space Center and the Crosby Arboretum are nearby.
picayuneUS and Canadian informal
1. the half real, an old Spanish-American coin
2. US any coin of little value, esp a five-cent piece