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callus - What does it mean?

Definition of 'callus'

English

(wikipedia)

Noun

(en-noun)
  • A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use.
  • * 2011 ,David Foster Wallace The Pale King , page 17:
  • Sylvanshine had once been on a first date with a Xerox rep who had complex and slightly repulsive patterns of callus on her fingers from playing the banjo semi-professionally
  • The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistency, but is ultimately converted into true bone and unites the fragments into a single piece.
  • (botany) The new formation over the end of a cutting, before it puts out rootlets.
  • Verb

  • To form such hardened tissue