drillmaster

noun
drill·​mas·​ter | \ ˈdril-ˌma-stər How to pronounce drillmaster (audio) \

Definition of drillmaster

1 : an instructor in military drill
2 : an instructor or director who maintains severe discipline and often stresses method and detail

First Known Use of drillmaster

1833, in the meaning defined at sense 1

Keep scrolling for more