n. One who, or that which, blanches or whitens; esp., one who anneals and cleanses money; also, a chemical preparation for this purpose. [ 1913 Webster ]

n. One who, or that which, frightens away or turns aside. [ Obs. ] [ 1913 Webster ]

And Gynecia, a blancher, which kept the dearest deer from her. Sir P. Sidney. [ 1913 Webster ]

And so even now hath he divers blanchers belonging to the market, to let and stop the light of the gospel. Latimer. [ 1913 Webster ]