Brown Driver Briggs

 1. to go free, be unrestrained, be overrun, exceed, overhang, grow
luxuriously
  1) (Qal)
1a1. to go free, be unrestrained, sprawl
1a  1) overrunning, spreading (participle)
1a2. to overhang
  2) (Niphal) to be let loose or dismissed or gone