rail¹/rel; reɪl/ n [C] 1 a bar along or around something that prevents you from falling 扶手; 栏杆: Tourists stood at the rail taking pictures of the waterfall. 游客们站在栏杆边拍摄瀑布的照片。 2 a bar that you use to hang things on 〔挂东西用的〕横杆: a bath rail 挂浴巾的横杆 3 one of the two long metal tracks that trains move along 铁路路轨 4 by rail by train 用［乘］火车: They sent the parcel by rail. 他们由铁路托运包裹。