顶儿 dǐngr cap pearl Definitions Defs Origin Strokes Stroke Words Sentences Sents 顶 頂 dǐng nounlocative top the highest part of an object, such as a mountain peak or roof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.