Meaning of ARMY in English
■ noun ( plural armies ) [treated as sing. or plural ]
1》 an organized military force equipped for fighting on land.
2》 a large number of similar people or things.
ME: from OFr. armee , from armata , feminine past participle of L. armare 'to arm'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004