かいふう
Meanings
Noun
1. 手紙等の封がしてあるものを開けること。
2. 封をしないで送る郵便物。また、封を少し開け、中が見えるようにして送る郵便物。
Pitch accent
いふう
Used in vocabulary (1 in total)
unopened (state); with an unbroken seal
Examples (3 in total)
The secretary opened the mail which had been delivered that morning.
Please consume within one to two days of opening.
Please forgive me for opening your letter by mistake.