n.
Pronunciation: ' är-m ē
Function: noun
Inflected Form: 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 c often capitalized : the complete military organization of a nation for land warfare
2 : a great multitude <an army of birds>
3 : a body of persons organized to advance a cause