definition of
rail

[1] #1 rail n. [railing] a barrier consisting of a horizontal bar and supports. wn

[2] #2 rail n. short for railway; "he traveled by rail"; "he was concerned with rail safety". wn

[3] #3 rail v. [inveigh] complain bitterly. wn

[4] #4 rail v. [rail in] enclose with rails; "rail in the old graves". wn

[5] #5 rail n. [track, rails, runway] a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll. wn