idr
idr — abbreviation
1. a US military abbreviation that refers to the official set of procedures and com
a US military abbreviation that refers to the official set of procedures and commands used to train soldiers in basic formations, marching, and weapon handling.
Sergeant Chen reviewed the new idr manual before morning training with the platoon.
used in military training context
Every recruit at Fort Benning must pass a written test on the current idr standards.
refers to official regulations
The instructor corrected Otis's stance according to the idr, then moved on to the next soldier.
Jin studied the idr diagrams late into the night to memorize each formation.
- drill manual
broader term for any military drill reference; idr is the specific official set
- drill regulations
the full form of the same abbreviation, used interchangeably in most contexts
用法筆記
Commonly used in its full expanded form in official writing; the abbreviation appears more often in informal notes, schedules, and spoken shorthand among military personnel.