Brown Driver Briggs

 1. to tie, bind, imprison
  1) (Qal)
1a1. to tie, bind
1a2. to tie, harness
1a3. to bind (with cords)
1a4. to gird (rare and late)
1a5. to begin the battle, make the attack
1a6. of obligation of oath (figurative)
  2) (Niphal) to be imprisoned, bound
  3) (Pual) to be taken prisoner