Top Definition. River. An Irish boy's name. He is a very hot, handsome, and sexy boy. All girls love him, and he is very friendly to everybody. Also some people.
source of a river definition, meaning, English dictionary, synonym, see also 'at source',source document',source program',point source', Reverso dictionary.
river definition, meaning, what is river: a natural wide flow of fresh water across the land into the sea, a lake, or another. Learn more.