From Longman Dictionary of Contemporary Englishcompound fractureˌcompound ˈfracture noun [countable] MIa broken bone that cuts through someone’s skin
Examples from the Corpus
compound fracture• Ward suffered a compound fracture of the left leg in Good Friday's derby match at Wigan.• Case No. 8: 40 year-old woman sustained crushing compound fracture of two fingers in an automobile accident.• It is so-called because of the compound fracture of the leg which Pott himself suffered as the result of an accident in 1756. 