Surgery \Sur"ge*ry\, n. [OE. surgenrie, surgerie; cf. OF. cirurgie, F. chirurgie, L. chirurgia, Gr. ?. See Surgeon.]

1. 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.

2. A surgeon's operating room or laboratory.

Source: Webster's Revised Unabridged Dictionary (1913)