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