资料来源 : Webster's Revised Unabridged Dictionary (1913)

Double-barreled \Dou"ble-bar`reled\, or -barrelled \-bar`relled\
,  a.
   Having two barrels; -- applied to a gun.

资料来源 : WordNet®

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