di·a·dem /ˈdaɪəˌdɛm, dəm/
 王冠,帶狀頭飾,王權


 Di·a·dem n.
 1. 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.”
 2. Regal power; sovereignty; empire; -- considered as symbolized by the crown.
 3. Her. An arch rising from the rim of a crown (rarely also of a coronet), and uniting with others over its center.
 Diadem lemur. Zool. See Indri.
 Diadem spider Zool., the garden spider.


 Di·a·dem, v. t. 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.

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 diadem
      n : an ornamental jewelled headdress signifying sovereignty
          [syn: crown]


 Diadem
    the tiara of a king (Ezek. 21:26; Isa. 28:5; 62:3); the turban
    (Job 29:14). In the New Testament a careful distinction is drawn
    between the diadem as a badge of royalty (Rev. 12:3; 13:1;
    19:12) and the crown as a mark of distinction in private life.
    It is not known what the ancient Jewish "diadem" was. It was the
    mark of Oriental sovereigns. (See CROWN.)