KGB 
(kā′jē-bē)
(kā′jē-bē)n.
The intelligence and internal security agency of the former Soviet Union.
[Russian, from K(omitet) G(osudarstvennoĭ) B(ezopasnosti) : komitet, committee + gosudarstvennoĭ : genitive of gosudarstvennyĭ, of the state + bezopasnosti, genitive of bezopasnost', security.]