主柱 しゅちゅう Meanings Noun central pillar See also: 大黒柱 (だいこくばしら). principal post; backbone of a society or community See also: 大黒柱 (だいこくばしら). Kanji 主 main. Read as シュ. 柱 pillar. Read as チュウ. Jinuma: Japanese Dictionary · Word lists