一顶 yīdǐng [classifier] Origin Definitions Defs Strokes Stroke Words Sentences Sents yīdǐng [classifier] 一 yī numeral one one; the number 1; single; alone顶 頂 dǐng measure word [headwear/sedans] [classifier] for hats, veils, sedan chairs, or mosquito netsyīdǐng to nudge 一 yī numeral one one; the number 1; single; alone顶 頂 dǐng to butt to butt or hit with the head; to gore; (social media) to bump a forum thread to the top