ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
Etymology: translation of German drillmeister
: one who teaches or coaches drill or by drilling:
a. : an instructor in military drill or of an exhibition drill corps or lodge team
b. : a police officer who instructs, drills, and trains members of the force in military tactics, marksmanship, and discipline
c. : an instructor or director who maintains severe discipline stressing method, formalities, minutiae
the expert drillmasters whose only concern was to see that I mastered the contents of textbooks — H.N.Fairchild
marshals notes before us like a drillmaster , making them execute intricate formations with almost incredible precision and high style — Edward Cushing