a short glass tube with a rubber bulb at one end and a tiny hole at the other, for measuring out drops of medicine or other liquids 滴管
(Austral./NZ & S. African)a light vertical stave in a fence, especially a lath used to separate the wires of a wire fence (澳/新西兰,南非)(篱笆的)直板条(尤指用以隔开铁丝围栏之铁丝的板条)
(Fishing)a subsidiary line or loop of filament attached to a main line or leader (渔)(钓鱼竿上的)支线,支环
语源
mid 17th cent. (in the sense 'a person who lets something drop'); sense 1 is first recorded in the late 19th cent