Busby

имя существительное гусарский кивер, гусарская шапка

Большой англо-русский словарь

Busby

noun (plural busbies) Etymology: probably from the name Busby 1. a military full-dress fur hat with a pendent bag on one side usually of the color of regimental facings 2. the bearskin worn by British guardsmen — not used by the guardsmen themselves

Merriam-Webster's Collegiate Dictionary