RIO DE LA PLATA(noun) Did you mean: Rhymes Also try: riverDefinitions There is 1 meaning of the phrase Rio De La Plata. Rio De La Plata - as a noun An estuary between argentina and uruguay Synonyms (Exact Relations)la plataplata riverWord Variations & RelationsAnagrams Starts R Starts RI Starts RIO Starts RIOD Ends A Ends TA Ends ATA Ends LATA Starts R & ends A Starts RI & ends A Starts R & ends TA A-Z Proximitiesrinsible 10rinsing 8rinsings 9rinthereout 14rinthereouts 15 Rio De La Plata rioja 12riojas 13riot 4rioted 7rioter 6