颦儿 pín'ér Piner Definitions Defs Origin Strokes Stroke Words Sentences Sents 颦 顰 pín to frown (bound form) to knit the eyebrows; to frown or scowl.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.