Definitions
1.nounAn incrustation over a sore, wound, vesicle, or pustule, formed during healing.
2.nounThe scabies.
3.nounThe mange, especially when it appears on sheep.
4.nounAny of several different diseases of potatoes producing pits and other damage on their surface, caused by streptomyces bacteria (but formerly believed to be caused by a fungus).
5.nounCommon scab, a relatively harmless variety of scab (potato disease) caused by Streptomyces scabies.
6.nounAny one of various more or less destructive fungal diseases that attack cultivated plants, forming dark-colored crustlike spots.
7.noun(founding) A slight irregular protuberance which defaces the surface of a casting, caused by the breaking away of a part of the mold.
8.nounA mean, dirty, paltry fellow.
9.nounA worker who acts against trade union policies, especially a strikebreaker.
10.verbTo become covered by a scab or scabs.
11.verbTo form into scabs and be shed, as damaged or diseased skin.
12.verbTo remove part of a surface (from).
13.verbTo act as a strikebreaker.
14.verbTo beg (for), to cadge or bum."I scabbed some money off a friend."