Brown Driver Briggs

 1. to be fat, grow fat, become fat, become prosperous, anoint
  1) (Qal) of prosperity (fig.)
  2) (Piel)
1b1. to make fat, anoint
1b2. to find fat (of offering - acceptable)
1b3. to take away ashes (from altar)
  3) (Pual) to be made fat
  4) (Hothpael) to fatten oneself (of Jehovah's sword)