[{"Bold_text": "noun", "List Items": ["a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels.", "a similar stream of something other than water:a river of ice.a river of lava;a river of ice.", "any abundant stream or copious flow; outpouring :rivers of words.rivers of tears;rivers of words.", "River,Astronomy.the constellation Eridanus.", "Printing.a vertical channel of white space resulting from the alignment in several lines of spaces between words."]}, {"Bold_text": "noun", "List Items": ["a person who rives ."]}]