Surg. [COUNTER- 6 b: cf. CONTRAFISSURE.] A fracture of the skull occurring opposite the place where a blow may have been received (Mayne, Exp. Lex., 1860).
1656. Ridgley, Pract. Physic, 172. The place of the Counterfissure is guessed at.
172751. Chambers, Cycl., Counterfissure. [See CONTRAFISSURE.]