noun, feminine/lɛvʁ ɛk.stɛʁn/
labia majora
“Pendant l'excitation sexuelle, les lèvres externes gonflent en raison de l'augmentation du flux sanguin vers la région et reculent, ouvrant légèrement la vulve.” — During sexual arousal, the labia majora become engorged because of the increased blood flow to the region, and spread apart, opening the vulva slightly.
Synonyms: grandes lèvres