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
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