Definition of army
- an army of birds
the armies of Alexander the Great
He left home and joined the army after he graduated from high school.
The company employs an army of lawyers to handle its legal affairs.
They sent in a whole army of trained technicians.
The organization was founded by a dedicated army of volunteers.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'army.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a large group of soldiers organized to fight battles on land
: the part of a country's military forces that includes soldiers who are trained to fight on land
: a large number of people or things that are involved in some activity together
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