Available Definitions:
1) n. - A figure by which objections are anticipated or prevented.
2) n. - A necessary truth or assumption; a first or assumed principle.
3) n. - An error in chronology, consisting in an event being dated before the actual time.
4) n. - The application of an adjective to a noun in anticipation, or to denote the result, of the action of the verb; as, to strike one dumb.