TRAIN n.
lls for rolling metal into various forms by a series of consecutive operations. -- Train mile (Railroads), a unit employed in estimating running expenses, etc., being one of the total number of miles run by all the trains of a road, or system of roads, as within a given time, or for a given expenditure; -- called also…
UNIT n.
for others of the same kind, in assigning to them numerical values, as 1 foot, 1 yard, 1 mile, 1 square foot, 1 square yard, 1 cubic foot, 1 peck, 1 bushel, 1 gallon, 1 cent, 1 ounce, 1 pound, 1 hour, and the like; more specifically, the fundamental unit adopted in any system of weights, measures, or money, by which i…