角かく封ふう筒とうMeaningsNoun1. western-style envelopeOther readings角かく封ぶう筒とうKanji used角angle封seal筒cylinderComposed of角かくangle; square; cube; bishop; third degree (of the Japanese and Chinese pentatonic scale); Chinese "horn" constellation (one of the 28 mansions); jiao (monetary unit of China; one-tenth of a yuan)Noun封ふう筒とうenvelopeNoun