脑瓢儿 nǎopiáor crown of the head Definitions Defs Origin Strokes Stroke Words Sentences Sents 脑瓢 腦瓢 nǎopiáo crown of the head the top or back part of the head; skullcap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.