cun·ni·lin·gus 
(kŭn′ə-lĭnggəs)
(kŭn′ə-lĭnggəs)n.
Oral stimulation of the clitoris or vulva.
[New Latin, from Latin, he who licks the vulva : cunnus, vulva; see (s)keu- in the Appendix of Indo-European roots + lingere, to lick; see leigh- in the Appendix of Indo-European roots.]
cun′ni·lingual adj.