[port arms] n [fr. the command port arms]] (ca. 1890): a position in the manual of arms in which the rifle is held diagonally in front of the body with the muzzle pointing upward to the left; also: a command to assume this position
PORT ARMS
Meaning of PORT ARMS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012