Drill instructor

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    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). US

    "Army: drill sergeant"

  2. 2
    a noncommissioned officer who instructs recruits in military marching and discipline wordnet

Example

More examples

"Navy: recruit division commander"