A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use.
A shining area on the frons of many species of Tabanomorpha (horse flies and relatives).
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.
The new formation over the end of a cutting, before it puts out rootlets.
To form such hardened tissue.
A pit on a surface being cut caused by the friction between the two surfaces exceeding the bond of the material at a point.
Impudence or brazenness; temerity, chutzpah.
A feeling of exasperation.
The gall bladder.
A sore on a horse caused by an ill-fitted or ill-adjusted saddle; a saddle sore.
A blister or tumor-like growth found on the surface of plants, caused by burrowing of insect larvae into the living tissues, especially that of the common oak gall wasp Cynips quercusfolii.
A bump-like imperfection resembling a gall.
To scoff; to jeer.
To harass, to harry, often with the intent to cause injury.
To impregnate with a decoction of gallnuts in dyeing.
To cause pitting on a surface being cut from the friction between the two surfaces exceeding the bond of the material at a point.
To exasperate.
To chafe, to rub or subject to friction; to create a sore on the skin.
To bother or trouble.