battalion

noun

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

The battalion marched in formation.

意味（1）

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

意味（2）

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

意味（3）

Any large body of troops.

意味（4）

(by extension) A great number of things.