Callus

noun, verb

Definitions

Noun
  1. 1
    A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use. countable, uncountable

    "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"

  2. 2
    (botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid wordnet
  3. 3
    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. countable, uncountable
  4. 4
    bony tissue formed during the healing of a fractured bone wordnet
  5. 5
    The new formation over the end of a cutting, before it puts out rootlets. countable, uncountable
Show 4 more definitions
  1. 6
    an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot) wordnet
  2. 7
    In orchids, a fleshy outgrowth from the labellum. countable, uncountable
  3. 8
    In grasses, a hardened extension from the base of a floret, which may or may not elongate and is often covered in hairs or bristles. countable, uncountable
  4. 9
    A shining area on the frons of many species of Tabanomorpha (horse flies and relatives). countable, uncountable
Verb
  1. 1
    To form such hardened tissue. intransitive
  2. 2
    form a callus or calluses wordnet
  3. 3
    cause a callus to form on wordnet

Etymology

Etymology 1

Borrowed from Latin callum (“hard skin”). Displaced Old English wearr.

Etymology 2

Borrowed from Latin callum (“hard skin”). Displaced Old English wearr.

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