- the incrustation that forms over a sore or wound during healing.
- a mangy disease in animals, especially sheep; scabies.
- Plant Pathology.
- a disease of plants characterized by crustlike lesions on the affected parts and caused by a fungus or bacterium.
- one of these crustlike lesions.
- a worker who refuses to join a labor union or to participate in a union strike, who takes a striking worker's place on the job, or the like.
- a rascal or scoundrel.
- Metallurgy.
- a projection or roughness on an ingot or casting from a defective mold.
- a surface defect on an iron or steel piece resulting from the rolling in of scale.
- a short, flat piece of wood used for various purposes, as binding two timbers butted together or strengthening a timber at a weak spot.
- to become covered with a scab.
- to act or work as a scab.
- the dried crusty surface of a healing skin wound or sore
- a contagious disease of sheep, a form of mange, caused by a mite (Psoroptes communis)
- a fungal disease of plants characterized by crusty spots on the fruits, leaves, etc
- derogatory
- a person who refuses to support a trade union's actions, esp one who replaces a worker who is on strike
- (as modifier)
- a despicable person
- to become covered with a scab
- (of a road surface) to become loose so that potholes develop
- to replace a striking worker
