noun pl. surgeries -·geries

1. 1. the treatment of disease, injury, or deformity by manual or instrumental operations, as the removal of diseased parts or tissue by cutting
   2. an operation of this kind
   3. the branch of medicine dealing with this
2. the operating room of a surgeon or hospital
3. Brit. a doctor's office

Etymology: ME < OFr cirurgie, contr. of cirurgerie < L chirurgia < Gr cheirourgia, a working with the hands, handicraft, skill < cheir (gen. cheiros), the hand + ergein, to work