Arriere \Ar*riere"\, n. [F. arri[`e]re. See {Arrear}.] ``That which is behind''; the rear; -- chiefly used as an adjective in the sense of behind, rear, subordinate. {Arriere fee}, {Arriere fief}, a fee or fief dependent on a superior fee, or a fee held of a feudatory. {Arriere vassal}, the vassal of a vassal.