The Collaborative International Dictionary of English v.0.48:
Regalia \Re*ga"li*a\ (r?*g?"l?*?), n. pl. [LL., from L.
regalisregal. See Regal.]
1. That which belongs to royalty. Specifically:
(a) The rights and prerogatives of a king.
(b) Royal estates and revenues.
(c) Ensings, symbols, or paraphernalia of royalty.
2. Hence, decorations or insignia of an office or order, as
of Freemasons, Odd Fellows,etc.
3. Sumptuous food; delicacies. [Obs.] --Cotton.
Regalia of a church, the privileges granted to it by kings;
sometimes, its patrimony. --Brande & C.