A place and state of rest wherein the souls of the just who died before CHRIST’S ASCENSION were detained until he opened HEAVEN to them; referred to as “Abraham’s bosom.” (Luke xvi,22) and “Paradise” (Luke xxiii, 43) and notably in Eph. IV: 9  1 Peter III: 18-20.

Council of Trent Catechism Article VII-V pg.79