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 tight curl, twist, or bend in a length of thin material, hair etc.
A convulsive fit of coughing or laughter; a sonorous indraft of breath; a whoop; a gasp of breath caused by laughing, coughing, or crying.
A positive 1-soliton solution to the sine-Gordon equation.
An unreasonable notion; a crotchet; a whim; a caprice.
A difficulty or flaw that is likely to impede operation, as in a plan or system.
Peculiarity or deviation in sexual behaviour or taste.
A person with peculiar sexual tastes.
To laugh loudly.
To be formed into a kink or twist.
To form a kink or twist.
To gasp for breath as in a severe fit of coughing.