Pronunciation: (hīst), [key] Slang.
a robbery or holdup: Four men were involved in the armored car heist.
1. to take unlawfully, esp. in a robbery or holdup; steal: to heist a million dollars' worth of jewels.
2. to rob or hold up.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.