NYSA Meaning of NYSA in English transcription, транскрипция: [ ˈni-sə ]geographical nameor German Neis·se ˈnī-sə river 120 miles (193 kilometers ) SW Poland flowing NE into the Oder Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003