menstrual disc

noun

plural menstrual discs
: a small flexible silicone or plastic shallow cup that is inserted into the vaginal fornix to collect the uterine flow during menstruation and that may be reusable or single-use
… a disposable menstrual disc—a piece of plastic film circled by a rubber-like band—that can last for up to 12 hours.Sissi Cao
Depending on the brand, menstrual discs hold … around 5 or 6 teaspoons of fluid. For some perspective, the amount of blood lost during an entire monthly period is 4 to 12 teaspoons.Adrienne Santos-Longhurst
compare menstrual cup, menstrual pad

Word History

First Known Use

2016, in the meaning defined above

Time Traveler
The first known use of menstrual disc was in 2016

Browse Nearby Words

Cite this Entry

“Menstrual disc.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/menstrual%20disc. Accessed 7 Mar. 2026.

Last Updated: - Entry added
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