- 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 - army - a large number of people united for some specific purpose
--2 is a kind of crowd