寸草心 cùncǎoxīn filial piety Origin Definitions Defs Strokes Stroke Words Sentences Sents 寸草 cùncǎo tiny bit metaphorically used to describe something very small or insignificant, often used to symbolize a child's small heart or tiny amount of gratitude as in the expression 寸草心 cùncǎoxīn心 xīn noun feelings mood; emotion; state of mind