窓まど付つき封ふう筒とうMeaningsNoun1. window envelope; billing envelopeKanji used窓window付attach封seal筒cylinderComposed of窓まどwindowNoun付つきfurnished with; including; attached to; impression; appearance; luck; sociality; under; assistant (e.g. to a manager); soup baseNoun封ふう筒とうenvelopeNoun