noun Etymology: from the command ~! Date: circa 1918 a position in the manual of arms in which the butt of the rifle is held in the left hand with the barrel resting on the left shoulder
LEFT SHOULDER ARMS
Meaning of LEFT SHOULDER ARMS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012