Definition of "battalion" in Englisch

noun

1. (military) An army unit having two or more companies, etc. and a headquarters. Traditionally forming part of a regiment.

2. (US, military) an army unit having two or more companies, etc. and a headquarters; forming part of a brigade.

3. Any large body of troops.

4. (by extension) A great number of things.

verb

1. To form into battalions.