Surg. Obs. [CONTRA- 3.] See quot.: cf. COUNTERFISSURE.
1676. Wiseman, Chirurg. Treat., V. ix. 375. Contusions, when great, do usually produce a Fissure or Crack of the Scull, either in the same part where the Blow was inflicted, and then it is called Fissura; or in the contrary part, in which case it obtaineth the name of Contrafissura.
1783. Pott, Chirurg. Wks. (new ed.) I. 172. But all the antient, and many of the modern writers, speak of a particular kind of fracture and this they call a contra-fissure.