n. (Railroad) A line or track leading from the provinces toward the metropolis or a principal terminus; the track upon which up-trains run. See Up-train. [ Eng. ] [ 1913 Webster ]
n. 1. A rectangular piece fitting grooves like key seats in a hub and a shaft, so that while the one may slide endwise on the other, both must revolve together; a feather; also, sometimes, a groove to receive such a rectangular piece. [ 1913 Webster ]
2. A long, flexble piece of wood sometimes used as a ruler. [ 1913 Webster ]