v. t. [ L. praeformare. See Pre-, and Form. ] To form beforehand, or for special ends. “Their natures and preformed faculties. ” Shak. [ 1913 Webster ]
n. (Biol.) An old theory of the preëxistence of germs. Cf. Emboîtement. [ 1913 Webster ]
n. A formative letter at the beginning of a word. M. Stuart. [ 1913 Webster ]