Noun army has 2 senses
  1. army, regular army, ground forces - a permanent organization of the military land forces of a nation or state
    --1 is a kind of military service, armed service, service
    --1 has members: army unit; corps
    --1 has particulars:
     host, legion; standing army; Union Army; Confederate Army, Army of the Confederacy; Continental Army; United States Army, US Army, U. S. Army, USA
  2. army - a large number of people united for some specific purpose
    --2 is a kind of