Originally, an ornamental head band or fillet, worn by Eastern monarchs as a badge of royalty; hence (later), also, a crown, in general. "The regal diadem." Milton.
Regal power; sovereignty; empire; -- considered as symbolized by the crown.
An arch rising from the rim of a crown (rarely also of a coronet), and uniting with others over its center. Diadem lemur. (Zoöl.) See Indri. -- Diadem spider (Zoöl.), the garden spider.
To adorn with a diadem; to crown. Not so, when diadem'd with rays divine. Pope. To terminate the evil, To diadem the right. R. H. Neale.
98,828 entries. Headwords are matched first, then definition text.