Blancher \Blanch"er\, n. One who, or that which, blanches or whitens; esp., one who anneals and cleanses money; also, a chemical preparation for this purpose. Blancher \Blanch"er\, n. One who, or that which, frightens away or turns aside. [Obs.] And Gynecia, a blancher, which kept the dearest deer from her. --Sir P. Sidney. And so even now hath he divers blanchers belonging to the market, to let and stop the light of the gospel. --Latimer.