n. [ F. bataillon, fr. It. battaglione. See Battalia. ]
☞ In the United States army, since April 29, 1898, a battalion consists of four companies, and three battalions form a regiment. The term is also applied to two or more batteries of artillery combined into a single command. [ Webster 1913 Suppl. ]
v. t. To form into battalions. [ R. ] [ 1913 Webster ]