army

noun

• A large, highly organized military force, concerned mainly with ground (rather than air or naval) operations.

  "The army was sent in to quell the uprising."

• The governmental agency in charge of a state's army.

  "The army opposed the legislature's involvement."

• A large group of people working toward the same purpose.

  "It took an army of accountants to uncover the fraud."

• A large group of social animals working toward the same purpose.

  "Our house is being attacked by an army of ants."

• Any multitude.

  "There was an army of construction cranes working on building the skyscraper."