Brown Driver Briggs

 1. to open
  1) (Qal) to open
  2) (Niphal) to be opened, be let loose, be thrown open
  3) (Piel)
1c1. to free
1c2. to loosen
1c3. to open, open oneself
  4) (Hithpael) to loose oneself
2. to carve, engrave
  1) (Piel) to engrave
  2) (Pual) to be engraved