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

To form into battalions.

plural of battalion

simple past tense and past participle of battalion

present participle of battalion

(UK, military, historical) A group of men who were friends before being enlisted, all of whom were placed into a single battalion in order to incentivize enlistment in the British Army during World War I.

(military) A military battalion formally designated to engage in the construction of structures for military use.

(military) A military unit of the armed forces which incorporates multiple branches of the military within a single command structure (also known as combined arms).