龟头 guītóu glans penis Definitions Defs Origin Strokes Stroke Words Sentences Sents guītóu glans penis 龟 龜 guī noun tortoise tortoise; turtle; shell of a tortoise used for divination in ancient times头 頭 tóu nounlocative top the top, end, or tip of an object; the beginning or end of an eventguītóu turtle head 龟 龜 guī noun tortoise tortoise; turtle; shell of a tortoise used for divination in ancient times头 頭 tóu noun head the head of a human or animal; hair or hairstyle