deuterocanonical books

plural noun

the books of the Bible regarded by the Roman Catholic Church as canonical but not universally acknowledged as such in the early church, including, in the Old Testament, most of the Protestant Apocrypha.

Origin of deuterocanonical books

First recorded in 1720–30; deutero- + canonical Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019