Definition of scurf
1
: thin dry scales detached from the epidermis especially in an abnormal skin condition;
specifically
: dandruff
2 a
: something like flakes or scales adhering to a surface
b
: the foul remains of something adherent
3 a
: a scaly deposit or covering on some plant parts;
also
: a localized or general darkening and roughening of a plant surface usually more pronounced than russeting
b
: a plant disease characterized by scurf
