秘ひ密みつ兵へい器きMeaningsNoun1. secret weaponKanji used秘secret密intimate兵soldier器instrumentPitch accentひみつへいきComposed of秘ひ密みつsecret; secrecy; confidentiality; privacy; mystery; secret (e.g. to success); esoteric teachingsNoun兵へい器きarms; weapon; ordnanceNounExamples1秘ひ密みつ兵へい器きの知ち識しきがある人ひとは、我わが身みを危き険けんな立たち場ばに置おいている。A man who has knowledge of a secret weapon has placed himself behind the eight ball.