royal arch

A degree in freemasonry. royal-arms, arms-royal, s. pl. Her.: The personal arms borne by the succe ive sovereigns of a country, as distinguished from those which they bear in their public capacity, namely, the arms of the country over which they rule. royal-a ent, s . [ASSENT, 8., B.] Royal Astronomical Society, s. A society for astronomical research, which was founded in London in 1820, and received its charter in 1831. royal-bay, 8. Bot.: Laurus nobilis or indica . royal-blue, subst . A deep-colored and beautiful smalt, and also a vitreous pigment, principally used in painting on gla and enameling, in which uses it is very permanent; but in water and oil its beauty soon decays, as is no uncommon case with other vitrified pigments. It is not in other respects an eligible pigment, being, notwithstanding its beautiful appearance, very inferior to other cobalt blues.