cunnilingus
Cunnilingus (noun) means Oral stimulation of a woman's vulva, clitoris or vagina with the mouth and tongue.
How to use cunnilingus
Learner’s notesIn plain EnglishUsing the mouth and tongue on a woman's genitals for sexual pleasure.
Clinical and formal. It is the term used in medical, legal and sex-education writing; everyday speech uses informal phrases instead.
It is an uncountable noun, so you perform cunnilingus rather than 'do a cunnilingus'.
Trace the full origin ↓Etymology
From Latin cunnilingus, literally 'one who licks the vulva', formed from cunnus 'vulva' and lingere 'to lick'. In Latin the word named the person; in English it names the act.