from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A noncommissioned officer who instructs recruits in military drill and discipline.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The generic term for the principal instructor of fresh military recruits undergoing basic training in the various branches of the United States military, routinely abbreviated to the initialism DI; always filled by enlisted personnel (a sergeant or petty officer).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a noncommissioned officer who instructs recruits in military marching and discipline
Sorry, no etymologies found.