Source : Webster's Revised Unabridged Dictionary (1913)

Blusher \Blush"er\ (bl[u^]sh"[~e]r), n.
   One that blushes.

Source : WordNet®

blusher
     n 1: yellowish edible agaric that usually turns red when touched
          [syn: {blushing mushroom}, {Amanita rubescens}]
     2: makeup consisting of a pink or red powder applied to the
        cheeks [syn: {rouge}, {paint}]