[left shoulder arms] n [fr. the command left shoulder arms]] (ca. 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; also: a command to assume this position
LEFT SHOULDER ARMS
Meaning of LEFT SHOULDER ARMS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012