Brown Driver Briggs

 1. to wipe, wipe out
  1) (Qal)
1a1. to wipe
1a2. to blot out, obliterate
1a3. to blot out, exterminate
  2) (Niphal)
1b1. to be wiped out
1b2. to be blotted out
1b3. to be exterminated
  3) (Hiphil) to blot out (from memory)
2. (Qal) to strike
3. (Pual) full of marrow (participle)