JMdict: 1943840

投書箱 【とうしょばこ】

  1. [n] suggestion box; complaints box
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
投 Throw, Discard, Abandon, Launch Into, Join, Invest In, Hurl, Give Up, Sell At A Loss トウ な.げる, -な.げ 3
書 Write ショ か.く, -が.き, -がき 2
箱 Box, Chest, Case, Bin, Railway Car ソウ はこ 3