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n. The condition of being calloused.

n. Hardheartedness; insensitivity.

n. See callus.

n. A callus

n. A callous demeanour; insensitivity or hardheartedness

n. A hard or thickened spot or protuberance; a hardening and thickening of the skin or bark of a part, eps. as a result of continued pressure or friction.

n. The state or quality of being hardened or callous.

n. In a concrete sense, any thickened or hardened part on the surface of the human body or that of any animal, such as the hard and often somewhat bony lumps that arise in places exposed to constant pressure and friction, the cicatrized surfaces of old ulcers or wounds, etc., the natural cutaneous thickenings on the buttocks of gibbons and other monkeys, etc.

n. In botany, any part of a plant unusually hard.

n. In entomology, an elevated, rounded portion of the surface, generally smooth, and paler than the surrounding parts, appearing like a swelling.

n. devoid of passion or feeling; hardheartedness

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

"The sound can be modified accordingly as the strokes of each bow bear upon the callosity, which is itself serrated or wrinkled, or on one of the four smooth radiating nervures."

ischial callosity    sternal callosity   

ischial callosity