callus
noun(cal-lus)
an area of skin that is thick or hard from continual pressure or friction (as the sole of the foot)
callus
noun(cal-lus)
bony tissue formed during the healing of a fractured bone
callus
noun(cal-lus)
(botany) an isolated thickening of tissue, especially a stiff protuberance on the lip of an orchid
callus
verb(cal-lus)
cause a callus to form on
Examples:
The long march had callused his feet.
callus
verb(cal-lus)
form a callus or calluses
Examples:
His foot callused.