noun / verb
regiment
REJ-ih-munt/ˈredʒɪmənt/
A formally organized military unit made of battalions.
The model shows a regiment made up of three battalions.

Etymology
From the idea of ruling or directing, regiment first meant government or control. Its military meaning refers to troops organized under permanent authority and discipline, rather than to a fixed number of soldiers.
In context
Reveille at 6:00 a.m. Rations came up for a full regiment. It worked out at two to a loaf instead of three or four.
More examples
- Her brother serves in an infantry regiment.
- Two regiments share the training grounds.
- The coach regiments every part of the team's daily routine.
Forms
regiment · regiments · regimented · regimenting
regimentation noun — Organization or control through strict rules.