Meaning of cui bono*

cui bo•no

Pronunciation: (kooi bō'nō Eng. kwē'&sylpbō'nō,&wdspckī'-), [key]
— Latin. Latin.
  1. for whose benefit?
  2. for what use? of what good?
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.