日夕 rìxī day and night Origin Definitions Defs Strokes Stroke Words Sentences Sents rìxī day and night 日 rì nounadverb day a 24-hour period; the time it takes for the earth to rotate once on its axis夕 xī noun evening (bound form) evening; nightrìxī dusk 日 rì noun sun (bound form) the sun; sunlight夕 xī nounverb sunset (bound form) sunset; dusk; twilight