army army /ˈɑːrmi/

noun

1. () (military) a permanent organization of the military land forces of a nation or state  ( ground forces , regular army , army )
   (military) a permanent organization of the military land forces of a nation or state
   
2. () A large number of people united for some specific purpose  ( army )
   a large number of people united for some specific purpose
   

 Army

1. (military) the army of the United States of America; the agency that organizes and trains soldiers for land warfare  ( Army , U. S. Army , United States Army , US Army , USA )
   (military) the army of the United States of America; the agency that organizes and trains soldiers for land warfare