“Full of Idolatry”

Joseph F. McConkie, Robert L. Millet
Though in the broad sense idolatry may be represented by an immoderate attachment or veneration of things other than the true and living God (see, for example, D&C 1:16), it would appear in the present instance that the Lamanites were indeed worshipping physical idols and images of their own making.

Doctrinal Commentary on the Book of Mormon, Vol. 2