Source : WordNet®

double-barrelled
     adj 1: having two barrels mounted side by side; "a double-barreled
            shotgun" [syn: {double-barreled}] [ant: {single-barreled}]
     2: having two purposes; twofold; "our double-barreled desire to
        make things profitable as well as attractive"- Louis
        Kronenbergers [syn: {double-barreled}]