immaculate conception is a noun meaning "Roman Catholic holy day first celebrated in 1854". It carries 2 recorded senses.
Roman Catholic holy day first celebrated in 1854
(Christianity) the Roman Catholic dogma that God preserved the Virgin Mary from any stain of original sin from the moment she was conceived
Christianity · Roman Catholic
Definitions, synonyms and semantic relations for immaculate conception come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.