| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
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| diadem |
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| in ancient times, the fillet of silk, wool, or linen tied about the head of a king, queen, or priest as a distinguishing mark. Later, it was a band of gold, which gave rise to the crown. In heraldry, the diadem is one of the arched bars that support the crown. |
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| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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