郵ゆう便びん差さし出だし箱ばこ

noun

postbox; mailbox

Refers to a public collection box for outgoing mail, typically red in Japan. Synonymous with ポスト in everyday speech.

See also: ポスト

• 郵ゆう便びん差さし出だし箱ばこに手て紙がみを投とう函かんした。

  I dropped the letter into the postbox.