空心 Traditional form: 空心 Pinyin (reading): kōngxīn Definitions: hollow (of vegetables) to become hollow or spongy inside (of a basketball) to swish through (not touching the hoop) Characters: 空 - hollow, empty, deserted, bare 心 - heart; mind; soul Traditional characters: 空 - hollow, empty, deserted, bare 心 - heart; mind; soul