surgery

n. treatment of diseases and injuries by medical operation; operation performed by a surgeon; room in which surgical operations are performed

In medicine, surgery (from the Greek  meaning "hand work") is the medical specialty that treats diseases or injuries by operative manual and instrumental treatment. Persons described as surgeons are commonly medical practitioners, but the term is also applied to dentists and veterinarians.The term surgery can also refer to the place where surgery is performed, or simply the office of a physician, dentist, or veterinarian.
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(n.)
The art of healing by manual operation; that branch of medical science which treats of manual operations for the healing of diseases or injuries of the body; that branch of medical science which has for its object the cure of local injuries or diseases, as wounds or fractures, tumors, etc., whether by manual operation or by medicines and constitutional treatment.
  

(n.)
A surgeon's operating room or laboratory.
  

An operation.

[SER-juh-ree]
A procedure to remove or repair a part of the body or to find out whether disease is present. An operation.