Diadema denotes head-worn insignia placed on the heads or horns of the figures described in Revelation.

The attested use denotes plural head-worn insignia: they are placed on the dragon’s heads, the sea animal’s horns, and the figure’s head in Revelation 12:3, Revelation 13:1, and Revelation 19:12.

1. Head-worn insignia on depicted figures · dominant

   In Revelation 12:3 and Revelation 13:1, the accusative plural form occurs in clauses locating these items on the dragon’s heads and on the sea animal’s horns. In Revelation 19:12, the nominative plural form occurs in the statement that many are on his head; the APB renders the items as “diadems” in all three verses.

   Revelation 12:3Revelation 13:1Revelation 19:12

In the Anselm Project Bible: The APB presents the plural form as “diadems” in each occurrence, locating them on heads or horns. It confirms the verse-level presentation rather than supplying a finer distinction.