mooncupEtymologyFrom moon + cup, originally a brand name.mooncup means A menstrual cup. Lexicurio rates it Sui generis — a strength score of 100 out of 100.nounA menstrual cup.“Highlights include: What it really feels like to use a mooncup, a leakage horror story you won't soon forget, and 1950s adverts performed before your very eyes!”