头头儿 tóutour leader Definitions Defs Origin Strokes Stroke Words Sentences Sents 头 頭 tóu reduplication leader a chief, head, or boss; the person in charge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.