日頭 rìtourìtóu sun Definitions Defs Origin Strokes Stroke Words Sentences Sents rìtou sun 日 rì sun (bound form) the sun; sunlight头 頭 tou [noun suffix] suffix attached to verbs or adjectives to form nouns, often indicating a specific quality or worthinessrìtóu daytime; date 日 rì daytime daytime; the period between sunrise and sunset as opposed to night头 頭 tou [noun suffix] suffix attached to verbs or adjectives to form nouns, often indicating a specific quality or worthinessrìtou time; life 日 rì day a 24-hour period; the time it takes for the earth to rotate once on its axis头 頭 tou [noun suffix] suffix attached to verbs or adjectives to form nouns, often indicating a specific quality or worthiness