a fastening device for attaching the base of a rail to a crosstie.
noun 1. a long, straight, cock bead.
[reyl-burd] /ˈreɪlˌbɜrd/ noun, Informal. 1. a horse-racing fan who watches races or workouts from the railing along the track. 2. any kibitzer or self-styled critic or expert. noun An ardent horse-racing devotee: another three-year old that set the railbirds agog (1890+)
/ˈreɪlˌkɑː/ noun 1. a passenger-carrying railway vehicle consisting of a single coach with its own power unit
/ˈreɪlˌkɑːd/ noun 1. (Brit) an identity card that young people or pensioners in Britain can buy, which allows them to buy train tickets more cheaply