1. To run, flow, or pour into something or some place. Water streamed into the boat through the crack in the hull. She opened a window to let some cold air stream into the house.

2. To move into something or some place in a large mass or amount like a stream of liquid. People have been streaming into the store all day long in order to get their book signed by the famous author. Countless flies streamed into the room, attracted to the stench of rotting meat.