百日 bǎirì one hundred days Origin Definitions Defs Strokes Stroke Words Sentences Sents bǎirì one hundred days 百 bǎi numeral hundred the number one hundred; 100日 rì nounadverb day a 24-hour period; the time it takes for the earth to rotate once on its axisbǎirì hundred-day ritual 百 bǎi numeral hundred the number one hundred; 100日 rì noun date a specific day of the month; a special day like a festival or birthday