busby
Pronunciation: /ˈbʌzbi/
noun ( plural busbies)
- a tall fur hat with a coloured cloth flap hanging down on the right-hand side and in some cases a plume on the top, worn by soldiers of certain regiments of hussars and artillerymen.
- popular term for bearskin (the cap).

Origin:
mid 18th century (denoting a large bushy wig): of unknown origin