cun·ni·lin·gus
noun/ˌkʌnɪˈlɪŋɡəs/
/ˌkʌnɪˈlɪŋɡəs/
[uncountable]- the act of touching a woman’s sex organs with the mouth and tongue in order to give sexual pleasure
舔阴（用口和舌接触女性生殖器） Word Originlate 19th cent.: from Latin, from cunnus ‘vulva’ + lingere ‘lick’.