Fornix

Fornix (: fornices, Latin for "arch") can refer to:
 * Fornix or throat scale, a bowed prolongation of the corolla in Boraginaceae (cf.)
 * Fornix of the brain
 * Fornix conjunctiva, a part of the conjunctiva
 * Fornix vaginae, also called the vaginal fornix
 * An early type of Roman triumphal arch