a large organized force for fighting on land
(often Army) the complete military organization of a nation for land warfare
a large crowd
Mr Poulter was a host in himself; that is to say, he admired himself more than a whole army of spectators could have admired him — George Eliot
a body of people organized to advance a cause
the Salvation Army
[Middle English armee via Old French from medieval Latin armata, past part. of armare: see arm2]