封ふう印いんTop 20000MeaningsNoun1. sealSuru verbTransitive verbIntransitive verb2. to seal (e.g. a letter); to affix a seal; to seal upKanji used封seal印stampPitch accentふういんUsed in vocabulary外がい交こう封ふう印いん袋ぶくろdiplomatic bag; diplomatic pouchNoun