double banking

blood banking

military banking facility

double-double wargame

double apron fence

double bottom

double bottom space

double concertina fence

double envelopment

double hull

double-apron fence

double consistent fire concentration

double magazine pouch, triple mag pouch

composite-modified double-base propellant

double staggered column

double crossover

double-entry passageway

single sap with double parapet

annular double-row ball bearing

cam and double roller

double-chamber gun

automatic double cycle revolver-type rifle

double back

double cone bearing

double cone clutch

double end wrench

double enveloping worm gear

double filament type headlamp

double fork lever

double gasket

double header

double line hook-up

double magneto