The word dragoon originally meant mounted infantry, who were trained in horse riding as well as infantry fighting skills. However, usage altered over time and during the 18th century, dragoons evolved into conventional light cavalry units and personnel. Dragoon regiments were established in most European armies during the late 17th and early 18th centuries.
The name is possibly derived from a type of firearm (called a dragon) carried by dragoons of the French Army. There is no distinction between the words dragon and dragoon in French (both are called dragon).
The title has been retained in modern times by a number of armoured or ceremonial mounted regiments.
The word also means to subjugate or persecute by the imposition of troops; and by extension to compel by any violent measures or threats. The verb dates from 1689, at a time when dragoons were being used by the French monarchy to persecute Protestants.
Read more about Dragoon: Origins and Name, Early History and Role, 19th Century, 20th Century