1.A current of water or other fluid; a liquid flowing continuously in a line or course, either on the earth, as a river, brook, etc., or from a vessel, reservoir, or fountain; specifically, any course of running water; as, many streams are blended in the Mississippi; gas and steam came from the earth in streams; a stream of molten lead from a furnace; a stream of lava from a volcano.
2.A beam or ray of light. "Sun streams."
3.Anything issuing or moving with continued succession of parts; as, a stream of words; a stream of sand. "The stream of beneficence." "The stream of emigration."
4.A continued current or course; as, a stream of weather. "The very stream of his life."
5.Current; drift; tendency; series of tending or moving causes; as, the stream of opinions or manners.