1.An incrustation over a sore, wound, vesicle, or pustule, formed by the drying up of the discharge from the diseased part.
2.The itch in man; also, the scurvy. (Colloq. or Obs.)
3.The mange, esp. when it appears on sheep.
4.A disease of potatoes producing pits in their surface, caused by a minute fungus (Tiburcinia Scabies).
5.(Founding) A slight irregular protuberance which defaces the surface of a casting, caused by the breaking away of a part of the mold.
6.A mean, dirty, paltry fellow. (Low)
7.A nickname for a workman who engages for lower wages than are fixed by the trades unions; also, for one who takes the place of a workman on a strike. (Cant)
8.(Bot.) Any one of various more or less destructive fungus diseases attacking cultivated plants, and usually forming dark-colored crustlike spots.
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