n. [ L., fr. ducere to lead. ] 1. One who leads. [ Obs. ] Sir T. Browne. [ 1913 Webster ]
2. (Mach.) A contrivance for removing superfluous ink or coloring matter from a roller. See Doctor, 4. Knight. [ 1913 Webster ]
Ductor roller (Printing), the roller which conveys or supplies ink to another roller. Knight. [ 1913 Webster ]