whirling arm

whirling arm tank

whirling surface

whirling work horse

anti-radiation missile (ARM)

Arm (of armed forces)

arm support

arm-and-hand signal

combat arm

combat support arm

Fleet Air Arm

idler arm

logistical arm

pitman arm

power arm

primary arm

rocking arm

service arm; branch

side arm (sidearm)

support arm

arm band

strong-arm rule

supporting arm virtual trainer (SAVT)

fuel pump rocker arm

rocker arm

rocker arm roller

rocker arm shaft

rocker arm shaft bracket

sling arm

belt-feed pawl arm

elevating arm

arm chest

arm guard