rail (subs.) Copy link Outline I. A cross-beam fixed on uprights1. longŭrius2. *asser transversus [quales palorum foraminibus inseruntur] ad sepimentum faciendum.II. An upright, forming part of fence; usu. pl., rails or railingIII. Of a railwayIV. A bird • rail (subs.): I. A cross-beam fixed on uprights: 1. longŭrius: Varr. R. R. 1, 14 (per foramina [palorum] trajectis longuriis binis aut ternis, i. e. a fence formed by posts placed at intervals, pierced to receive two or three rails). But longurius may be used of any longish pole or piece of wood. 2. *asser transversus [quales palorum foraminibus inseruntur] ad sepimentum faciendum. II. An upright, forming part of fence; usu. pl., rails or railing: pālus: Varr. R. R. l. c. Often sēpīmentum, sepes, may serve: more precisely, sepes ex palis statutis crebris, Varr. l. c. (Cancelli denotes cross- or lattice-work: v. grating.) III. Of a railway: perh. trabs ferrea, longurius ferreus. IV. A bird: *rallus: v. corn-crake.