一轮儿 yīlúnr one round Origin Definitions Defs Strokes Stroke Words Sentences Sents 一轮 一輪 yīlún nounnumeral one round a complete cycle or circuit of an activity; a turn around a group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.