plural in form but singular or plural in construction
: an acute contagious virus disease caused by a paramyxovirus (species Mumps virus of the genus Rubulavirus) and marked by fever and by swelling especially of the parotid gland

Examples of mumps in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For decades, Florida — like many other states — has required numerous vaccines for kids attending school, including shots that protect against measles-mumps-rubella, polio, chickenpox and Hepatitis B. Emily Goodin, Miami Herald, 5 Sep. 2025 But new data published by the CDC last week shows that kindergartners in Wisconsin had one of the lowest rates of coverage with the measles-mumps-rubella (MMR) vaccine. Deidre McPhillips, CNN Money, 6 Aug. 2025 See All Example Sentences for mumps

Word History

Etymology

from plural of obsolete mump grimace

First Known Use

1592, in the meaning defined above

Time Traveler
The first known use of mumps was in 1592

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Cite this Entry

“Mumps.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mumps. Accessed 9 Sep. 2025.

Kids Definition

mumps

singular or plural noun
: a contagious disease caused by a virus and marked by fever and by swelling especially of salivary glands

Medical Definition

mumps

noun, plural in form but singular or plural in construction
: an acute contagious virus disease caused by a paramyxovirus of the genus Rubulavirus (species Mumps virus) and marked by fever and by swelling especially of the parotid gland

called also epidemic parotitis

More from Merriam-Webster on mumps

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