头半天儿 tóubàntiānr morning Definitions Defs Origin Strokes Stroke Words Sentences Sents 头半天 頭半天 tóubàntiān morning the first half of the day; forenoon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.