n.

1. a natural body of running water flowing on or under the earth;
   watercourse
2. dominant course (suggestive of running water) of successive events or ideas;
   flow, current
   
   • two streams of development run through American history
   • stream of consciousness
   • the flow of thought
   • the current of history
3. a steady flow (usually from natural causes);
   current
   
   • the raft floated downstream on the current
   • he felt a stream of air
4. the act of flowing or streaming; continuous progression;
   flow
5. something that resembles a flowing stream in moving continuously;
   flow
   
   • a stream of people emptied from the terminal
   • the museum had planned carefully for the flow of visitors

v.

1. to extend, wave or float outward, as if in the wind
   
   • their manes streamed like stiff black pennants in the wind
2. exude profusely
   
   • She was streaming with sweat
   • His nose streamed blood
3. move in large numbers;
   pour, swarm, teem, pullulate
   
   • people were pouring out of the theater
   • beggars pullulated in the plaza
4. rain heavily;
   pour, pelt, rain cats and dogs, rain buckets
   
   • Put on your rain coat-- it's pouring outside!
5. flow freely and abundantly;
   well out
   
   • Tears streamed down her face