Surgical sectioning of bone

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Osteotomy \Os`te*ot"o*my\, n. 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.

WordNet Word definitions in WordNet
n. surgical sectioning of bone

Wikipedia Word definitions in Wikipedia
An osteotomy is a surgical operation whereby a bone is cut to shorten or lengthen it or to change its alignment. It is sometimes performed to correct a hallux valgus , or to straighten a bone that has healed crookedly following a fracture . It is also used ...