1. scab - Noun
2. scab - Verb
An incrustation over a sore, wound, vesicle, or pustule, formed by the drying up of the discharge from the diseased part.
The itch in man; also, the scurvy.
The mange, esp. when it appears on sheep.
A disease of potatoes producing pits in their surface, caused by a minute fungus (Tiburcinia Scabies).
A slight irregular protuberance which defaces the surface of a casting, caused by the breaking away of a part of the mold.
A mean, dirty, paltry fellow.
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.
To become covered with a scab; as, the wound scabbed over.
Source: Webster's dictionaryBeneath a mask of selfish tranquility nothing exists except bitterness and boredom. I am one of those whom suffering has made empty and frivolous: each night in my dreams I pull the scab off a wound; each day, vacuous and habit-ridden, I help it re-form. Cyril Connolly
I attribute a scab to the present state of society. The way the scab looks in its worst state is gross and chaotic and horrible, that's now, but when it breaks away, there's a brand new piece of skin that's stronger than before. It's like creation out of chaos. Brandon Boyd
The itch of disputing will prove the scab of churches. Henry Wotton
... My best friend [as a young girl] made this mole on my face, because she would get in a fight with me and scratch me -- by the third time the scab came off the [mole] was there... Gloria Estefan
Analysts keep having to pick away at the scab that the patient tries to form between himself and the analyst to cover over his wounds. The analyst keeps the surface raw, so that the wound will heal properly. Janet Malcolm
He that is a blab is a scab. Romanian Proverb