LINK MOTION n.
A valve gear, consisting of two eccentrics with their rods, giving motion to a slide valve by an adjustable connecting bar, called the link, in such a way that the motion of the engine can be reversed, or the cut-off varied, at will; -- used very generally in locomotives and marine engines.
LOCK n. 2 definitions
Anything that fastens; specifically, a fastening, as for a door, a lid, a trunk, a drawer, and the like, in which a bolt is moved by a key so as to hold or to release the thing fastened.
LOCOMOTIVE n.
or passengers, or to draw wagons, railroad cars, etc. See Illustration in Appendix. Consolidation locomotive, a locomotive having four pairs of connected drivers. -- Locomotive car, a locomotive and a car combined in one vehicle; a dummy engine. [U.S.] -- Locomotive engine. Same as Locomotive, above. -- Mogul locomo…