Meaning

1. A large, highly organized military force, concerned mainly with ground (rather than air or naval) operations.
2. A large, highly organized military force, concerned mainly with ground (rather than air or naval) operations.
3. A large, highly organized military force, concerned mainly with ground (rather than air or naval) operations.
4. The governmental agency in charge of a state's army.
5. A large group of people working toward the same purpose.
6. A large group of social animals working toward the same purpose.
7. Any multitude.
8. The military as a whole.