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| cal·lus [ kálləss ] |
noun (plural cal·lus·es) |
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| Definition: |
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1. patch of thickened skin: a hard thickened area of skin, especially on the palm of the hand or the sole of the foot, caused by repeated pressure or friction
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2. medicine mass formed in healing bone: a mass of fibrous tissue, calcium, cartilage, and bone that forms progressively during the healing of a bone fracture
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3. botany plant tissue: plant tissue that forms at the site of a wound, or that develops during tissue culture of plant parts, giving rise to new plantlets
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transitive and intransitive verb (past and past participle cal·lused, present participle cal·lus·ing, 3rd person present singular cal·lus·es) |
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| Definition: |
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develop callus: to develop a callus or calluses, or cause something to do so
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| [Mid-16th century. < Latin] |
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