枕块 zhěnkuài to mourn one's parents Origin Definitions Defs Strokes Stroke Words Sentences Sents 寝苫枕块 qǐnshānzhěnkuài mourning for parents (idiom) to sleep on a straw mat with a clod of earth for a pillow; refers to the traditional etiquette observed by a filial son during the mourning period for a parent to express deep grief