From Longman Dictionary of Contemporary Englishmartinetmar‧ti‧net /ˌmɑːtəˈnet $ ˌmɑːr-/ noun [countable] formalSTRICT someone who is very strict and makes people obey rules exactly SYN disciplinarian The woman in charge was a martinet who treated us like children.
Examples from the Corpus
martinet• Lady Hoby was also a martinet and believed that learning could only be achieved through hard work and discipline.• Clarke could be a martinet, and as such was frequently a buffer for Alvin.• Topaz had pictured her as tall and brawny as befitted a martinet.• He may solve his problem, for example, by being a martinet.• Only if you think the head porter is a martinet just wait until you meet Jacques, our maître chef de cuisine.• Belle, on the other hand, was described by Robin's father as something of a martinet.• The woman in charge was a martinet who treated all those beneath her like children.• A typical Victorian martinet, he wore a tall hat all his life.Origin martinet (1600-1700) Jean Martinet (died 1672), French army officer