pillbox (pill box)

L-pill (lethal pill or suicide pill)

drive the enemy from his pillbox

pillbox target

concrete pillbox

seal a pillbox

pill

antifear pill

antipanic pill

radiation pill

air box handhole cover

ammunition box

axle box

battery box

box formation

box freight car

box magazine

box trail

brain box

control box / console / desk

dead letter-box

gearbox / gear box

grid reference box

Jack-in-the-box effect

junction box

wargaming methods / techniques (belt, avenue in depth, box, belt-in-time)

kill box

slip-ring box

staggered box magazine

ammunition box mouth

ammunition box support

ammunition stowage box

resealing ammunition box (NATO)