Rolling

(rolling.) [From Eng. roll.] (Naut.) The oscillation or partial revolution effected by the action of the waves round the centre of gravity of a ship; it is experienced least when the centre of gravity coincides most closely with the load-water-line.-R. Fire. (Mil.) A discharge of musketry, kept up in rapid succe ion by troops formed in line.-R.-Mill. (Metall.) A machine for working metals into plates, or bars which are wanted of an even thickne . These mills are chiefly employed in drawing out iron bars after they have been manufactured into bar-iron by the forge hammer.-R.-Pre . (Mech.) An engine consisting of two or more rollers or cylinders, used in calendering and waving cloth, taking impre ions from steel-or copper-plate engravings, ., . [s. 775]