Brown Driver Briggs

 1. to roll, roll away, roll down, roll together
  1) (Qal) to roll
  2) (Niphal)
1b1. to roll up
1b2. to flow down
  3) (Pilpel) to roll
  4) (Poal) to be rolled
  5) (Hithpoel) to roll oneself
  6) (Hithpalpel) to roll oneself
  7) (Hiphil) to roll away