Definition of warts:
(n) :
(pathology) A type of deformed growth occurring on the skin caused by the human papillomavirus (HPV).
(n) :
(informal, figurative) Anything unsightly or undesirable; a blemish.
(n) :
Any similar growth occurring in plants or animals, such as the parotoid glands in the back of toads.
(n) :
(programming, slang, derogatory) Any of the prefixes used in Hungarian notation.