Immaculate conception Meaning, Definition & Usage

  1. noun Roman Catholic holy day first celebrated in 1854
    December 8.
  2. noun (Christianity) the Roman Catholic dogma that God preserved the Virgin Mary from any stain of original sin from the moment she was conceived
    Immaculate Conception of the Virgin Mary.

WordNet


Definitions
  1. (R. C. Ch.), the doctrine that the Virgin Mary was conceived without original sin.

Webster 1913