- 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 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.
verb (used without object), scabbed, scab·bing.
Words nearby scab
Origin of scab
OTHER WORDS FROM scabscab·like, adjective
Examples from the Web for scab
Species do not burrow in the skin, but produce a scab similar to sheep scab.Handbook of Medical Entomology|William Albert Riley
Scab Johnny says he loaned Mac a dry outfit an' the old boy dug out for breakfast at seven o'clock an' ain't been around since.Captain Scraggs|Peter B. Kyne
Kjellin rustled up a scab crew and kept the mob off the vessel at the point of a gun.Cappy Ricks|Peter B. Kyne
Do you know, Guy, I think we shall have no scab in the fold this year.The Caxtons, Complete|Edward Bulwer-Lytton
The surrounding land is what is locally known as "scab land."The Archaeology of the Yakima Valley|Harlan Ingersoll Smith
British Dictionary definitions for scab
- Also called: blackleg a person who refuses to support a trade union's actions, esp one who replaces a worker who is on strike
- (as modifier)scab labour