callus

noun

  1. 1

    (botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid

  2. 2

    bony tissue formed during the healing of a fractured bone

  3. 3

    an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot)

verb

  1. 1

    form a callus or calluses

    His foot callused

  2. 2

    cause a callus to form on

    The long march had callused his feet

Synonyms

Also useful for “callus”:Unscrambler