Roll"ing(?), a. 1. Rotating on an axis, or moving along a surface by rotation; turning over and over as if on an axis or a pivot; as, a rolling wheel or ball.
2. Moving on wheels or rollers, or as if on wheels or rollers; as, a
3. Having gradual, rounded undulations of surface; as, a
Rolling bridge. See the Note under Drawbridge. --
Rolling circle of a paddle wheel, the circle described by the point whose velocity equals the velocity of the ship.
J. Bourne. --
(Mil.), a discharge of firearms by soldiers in line, in quick succession, and in the order in which they stand. --
Rolling friction, that resistance to motion experienced by one body rolling upon another which arises from the roughness or other quality of the surfaces in contact. --
Rolling mill, a mill furnished with heavy rolls, between which heated metal is passed, to form it into sheets, rails, etc. --
Rolling press. (a) A machine for calendering cloth by pressure between revolving rollers. (b) A printing press with a roller, used in copperplate printing. --
Rolling plant, the locomotives and vehicles of a railway. --
(Naut.), tackle used to steady the yards when the ship rolls heavily.
R. H. Dana, Jr.
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Tue 18th December 2018