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.
© Webster 1913.
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.
© Webster 1913.