(armies)
Frequency: The word is one of the 700 most common words in English.
1.
An ~ is a large organized group of people who are armed and trained to fight on land in a war. Most armies are organized and controlled by governments.
After returning from France, he joined the ~...
The ~ is about to launch a major offensive.
N-COUNT-COLL
2.
An ~ of people, animals, or things is a large number of them, especially when they are regarded as a force of some kind.
...data collected by an ~ of volunteers.
...armies of shoppers looking for bargains.
N-COUNT-COLL: N of n