刃兒 rènr blade edge Origin Definitions Defs Strokes Stroke Words Sentences Sents 刃 rèn noun blade edge (bound form) the sharp edge of a knife, sword, or other cutting tool儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.