Diadem1. (n.) Originally, an ornamental head band or fillet, worn by Eastern monarchs as a badge of royalty; hence (later), also, a crown, in general.
2. (n.) Regal power; sovereignty; empire; -- considered as symbolized by the crown.
3. (n.) An arch rising from the rim of a crown (rarely also of a coronet), and uniting with others over its center.
4. (v. t.) To adorn with a diadem; to crown.
Thesaurus Entries
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