Definition of callus
1 : a thickening of or a hard thickened area on skin or bark
2 : a mass of exudate and connective tissue that forms around a break in a bone and is converted into bone in healing
3 : soft tissue that forms over a wounded or cut plant surface
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Origin and Etymology of callus
Latin
First Known Use: 1563
callus
Definition of callus
intransitive verb
: to form callus
transitive verb
: to cause callus to form on
1824
First Known Use of callus
1824
CALLUS Defined for English Language Learners
callus
playDefinition of callus for English Language Learners
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: a hard and thickened area on the skin and especially on the hands or feet
CALLUS Defined for Kids
callus
playDefinition of callus for Students
calluses
: a hard thickened area on the skin and especially on the hands and feet
Medical Dictionary
callus
playMedical Definition of callus
1: a thickening of or a hard thickened area on skin
2: a mass of exudate and connective tissue that forms around a break in a bone and is converted into bone in the healing of the break
Learn More about callus
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See words that rhyme with callus Spanish Central: Translation of callus Nglish: Translation of callus for Spanish speakers Britannica English: Translation of callus for Arabic speakers Britannica.com: Encyclopedia article about callus
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