ROSACEOUS, among botanists, an appellation given to such flowers as are composed of several petals or leaves disposed in a sort of circular form, like those of a rose.
Rosary ROSARY, among the Roman catholics. See CHAPLET.
Roscommon ROSBACH, a town of Germany, in Saxony, famous for a victory obtained here by the king of Prussia over the French on November 5, 1757, in which 10,000 of the French were killed or taken prisoners, with the loss of no more than 500 Prussians. See (History of) PRUSSIA.