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callus
noun pl. calluses
- a hardened, thickened place on the skin
- the hard substance that forms at the break in a fractured bone and serves to reunite the parts
- a disorganized mass of cells that develops over cuts or wounds on plants, as at the ends of stem or leaf cuttings
intransitive verb, transitive verb
to develop or cause to develop a callus
See callus in American Heritage Dictionary 4
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