Definify.com
Webster 1913 Edition
Battalia
1.
Order of battle; disposition or arrangement of troops (brigades, regiments, battalions, etc.), or of a naval force, for action.
A drawing up the armies in
battalia
. Jer. Taylor.
2.
An army in battle array; also, the main battalia or body.
[Obs.]
Shak.
2.
(Mil.)
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.
Webster 1828 Edition
Battalia
BATTAL'IA
,Noun.
1.
The order of battle; troops arrayed in their proper brigades,regiments, battalions, &c.,for action.2.
The main body of any army in array, distinguished from the wings.