1. a thief.
2. Used as a vague term of reproach: Rogue, blackguard.
"I was robbed!" sobbed the store manager to the police. "I was there; I saw the whole thing! The ladrone wore all black and was average-looking in every way! You'll never find him!"
Dictionary.reference mentions that it's from Southwestern U.S. I wonder if they ever used it in old western movies...