Brown Driver Briggs

 1. to go down, descend, decline, march down, sink down
  1) (Qal)
1a1. to go or come down
1a2. to sink
1a3. to be prostrated
1a4. to come down (of revelation)
  2) (Hiphil)
1b1. to bring down
1b2. to send down
1b3. to take down
1b4. to lay prostrate
1b5. to let down
  3) (Hophal)
1c1. to be brought down
1c2. to be taken down