心しん棒ぼうMeaningsNoun1. shaft; axle2. mandrel; arbor3. centre of a groupKanji used心heart棒rodPitch accentしんぼうExamples1台だい座ざに心しん棒ぼうを立たてて、各かくパーツをずらしながら重かさねていきます。You stand the axis on the base and then proceed to stack up each part, staggering their position.