武ぶ士し階かい級きゅうぶしかいきゅうじ字FuriganaMeanings1nounwarrior class; samurai classRefers to the historical social class of warriors in Japan, especially during the feudal period.武ぶ士し階かい級きゅうは江え戸ど時じ代だいに特とっ権けんを持もっていた。