Main Entry:

ar·my

Pronunciation:

\ˈär-mē\

Function:

noun

Inflected Form(s):

plural armies

Etymology:

Middle English armee, from Anglo-French, from Medieval Latin armata — more at armada

Date:

14th century

1 a: a large organized body of armed personnel trained for war especially on land b: a unit capable of independent action and consisting usually of a headquarters, two or more corps, and auxiliary troops coften capitalized : the complete military organization of a nation for land warfare2: a great multitude <an army of birds>3: a body of persons organized to advance a cause