Dictionary definition · callus
noun
- an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot)
- bony tissue formed during the healing of a fractured bone
- (botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid
verb
- cause a callus to form on"The long march had callused his feet"
- form a callus or calluses"His foot callused"
Similar words
Source: Open English WordNet (CC BY 4.0).