digram) RWA – (s) Rwanda (ISO 3166 trigram) RWADA – (a) Resident Weighted Average Daily Attendance (New York State term used in public education to indicate the size of a school district, i.e. its number of students) RWF – (s) Rwandan franc (ISO 4217 currency code) RWR – (i) Radar Warning Receiver RWS – (i) Remote Weapon Station RX Rx – (s) Medical prescription (possibly from Latin "recipere", "to take": see entry) RX – (s) Receive Notes and references Acronyms R