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Webster 1913 Edition

Noun.

The dissection or anatomy of bones; osteology.

(Surg.)

The operation of dividing a bone or of cutting a piece out of it, – done to remedy deformity, etc.

osteotomy ‎(plural osteotomies)

(surgery) The surgical procedure of cutting a bone. This is often performed to either lengthen, shorten, or straighten a bone.

surgery: the surgical procedure of cutting a bone