What does regalia mean?

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From our dictionary:

re•ga•li•a

Pronunciation: (ri-gA'lE-u, -gAl'yu), [key]
n.pl.
1. the ensigns or emblems of royalty, as the crown or scepter.
2. the decorations, insignia, or ceremonial clothes of any office or order.
3. rich, fancy, or dressy clothing; finery: guests wearing formal party regalia.
4. royal rights or privileges.