JMdict: 1413720

大黒柱 【だいこくばしら】

  1. [n] central pillar (of a building)
  2. [n] mainstay (e.g. of an economy); backbone (e.g. of a family); provider; main man
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
Large, Big ダイ, タイ おお-, おお.きい, -おお.いに
Black コク くろ, くろ.ずむ, くろ.い
Pillar, Post, Cylinder, Support チュウ はしら