name: A surname (very rare: popularity rank in the U.S.: #60635)
noun: Single Action Army. The US Army's classification for the Colt M1873 "Peacemaker" revolver, their standard revolver from 1873 to 1892.
noun: Small Arms Ammunition. The British armed forces term for ammunition used in sidearms and rifles. The acronym was used in 20th century manuals as an abbreviation.
noun: (military) Initialism of Syrian Arab Army. [The army of Syria.]