A body of troops; esp. a body of troops or an army in battle array.
A regiment, or two or more companies of a regiment, esp. when assembled for drill or battle.
To form into battalions.
An infantry command of two or more companies, which is the tactical unit of the infantry, or the smallest command which is self-supporting upon the battlefield, and also the unit in which the strength of the infantry of an army is expressed.
I proudly served in the United States Army during the Korean War as an artillery operations specialist in the all-black 503rd Field Artillery Battalion in the Second Infantry Division. Charles B. Rangel
Marching thus at night, a battalion is doubly impressive. The silent monster is full of restrained power; resolute in its onward sweep, impervious to danger, it looks a menacing engine of destruction, steady to its goal, and certain of its mission. Patrick MacGill
The only black battalion on Iwo Jima was a small munitions supply unit that came to the beach. Clint Eastwood
A pencil and rubber are of more use to thought than a battalion of assistants. To happiness the same applies as to truth: one does not have it, but is in it. Theodor Adorno
My father, a captain in the 5th Battalion of the Queen's Own Cameron Highlanders, landed in Normandy the day after D-Day. Craig Brown