#1 rail n. [railing] a barrier consisting of a horizontal bar and supports. wn
#2 rail n. short for railway; "he traveled by rail"; "he was concerned with rail safety". wn
#3 rail v. [inveigh] complain bitterly. wn
#4 rail v. [rail in] enclose with rails; "rail in the old graves". wn
#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
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