JMdict: 1966470

ドル箱 【ドルばこ】

  1. [n] source of funds; gold mine; patron; milch cow
  2. [n] cash box; safe
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
箱 Box, Chest, Case, Bin, Railway Car ソウ はこ 3