dragoon
Concise Oxford English Dictionary © 2008 Oxford University Press:
dragoon /drəˈguːn/
▶noun a member of any of several British cavalry regiments.
■ historical a mounted infantryman armed with a carbine.
▶verb coerce into doing something.– origin C17 (denoting a kind of carbine or musket, thought of as breathing fire): from Fr. dragon ‘dragon’.
'dragoon' also found in these Oxford entries:

