1 [mass noun] chiefly British a cosmetic of a powder or cream consistency used to give a warm colour to the cheeks.
2a toadstool with a buff cap bearing fluffy white spots and with white flesh that turns pink when bruised or cut, found in woodland in Eurasia and North America.
Amanita rubescens, family Amanitaceae, class Hymenomycetes
blusher in other Oxford dictionaries
Definition of blusher in the US English dictionary