scabby
/ˈskæbi/Definitions
1. adjective
covered or marked with scabs or patches of dead skin, especially as a result of skin disease or injury
“The scabby patches on his knees were a sign of his eczema.”
2. noun
a patch of dead skin, especially one that has fallen off as a result of skin disease or injury
“The doctor examined the scabby that had formed on her child’s elbow.”