Dictionary.net

(B.) A scab: scabbiness.

Impetigo, Scab-s. Asbestos, see Eczema of the hairy scalp-s. Crusted, Impetigo-s. Dry, Psoriasis-s. Honeycomb, Porrigo favosa- s. Humid, Eczema-s. Milky, Porrigo larvalis-s. Papulous, Ecthyma-s. Running, Eczema, Impetigo- s. Vesicular, Eczema capitis -s. Washerwoman’s, Psoriasis diffusa.

A crusty disease, as of the scalp.

n. Scab; scabbiness; leprosy.